An expression is a combination of numbers, operators, grouping symbols (such as brackets and parentheses) and/or free variables and bound variables arranged in a meaningful way which can be evaluated. Bound variables are assigned values within the expression (they are for internal use) while free variables can take on values from outside the expression.

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At TuLyn, we have over 2000 math video tutorial clips including**expressions videos**, **expressions practice word problems**, **expressions questions and answers**, and **expressions worksheets**.

Our**expressions videos** replace text-based tutorials and give you better step-by-step explanations of expressions. Watch each video repeatedly until you understand how to approach expressions problems and how to solve them.

At TuLyn, we have over 2000 math video tutorial clips including

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Combining Like Terms

**Video Clip Length:** 1 minute 13 seconds

**Video Clip Views:** 68516

This tutorial shows how to combine like terms in given polynomial, the variables, and the constants. You will learn to combine the coefficients of the same variable as well as pay attention to the signs of coefficients, for there are different rules for different signs and same signs.

This tutorial shows how to combine like terms in given polynomial, the variables, and the constants. You will learn to combine the coefficients of the same variable as well as pay attention to the signs of coefficients, for there are different rules for different signs and same signs.

Solving Equations with Decimal Coefficients and involving Decimal Division

**Video Clip Length:** 3 minutes 5 seconds

**Video Clip Views:** 46268

The tutorial will show you how to solve the linear equation for missing variable, k. You need to combine like terms, the variables, k, first. Then, you need to simplify by using additive inverses and then to continue to solve for k.

The tutorial will show you how to solve the linear equation for missing variable, k. You need to combine like terms, the variables, k, first. Then, you need to simplify by using additive inverses and then to continue to solve for k.

Solving Multi Step Equations 2

**Video Clip Length:** 2 minutes 12 seconds

**Video Clip Views:** 40697

This tutorial will show you how to solve linear equations with multiple steps. In order to solve for y, you need to combine like terms. First, reduce by adding constants on the left hand side together, then next, you should combine like terms, y's, and then get y by itself with undoing mutliplication using division.

This tutorial will show you how to solve linear equations with multiple steps. In order to solve for y, you need to combine like terms. First, reduce by adding constants on the left hand side together, then next, you should combine like terms, y's, and then get y by itself with undoing mutliplication using division.

Erica hiked up a mountain trial

Erica hiked up a mountain trial at 3km/h and returned at 4k/h. The entire trip took five hours 10 min including the half an hour she spent at the ...

Erica hiked up a mountain trial at 3km/h and returned at 4k/h. The entire trip took five hours 10 min including the half an hour she spent at the ...

Mr. Jenkins can dig a ditch

Mr. Jenkins can dig a ditch in one hour less then his son. Working together, they can do the job in 2\3 hour. How long does it take for ...

Mr. Jenkins can dig a ditch in one hour less then his son. Working together, they can do the job in 2\3 hour. How long does it take for ...

Crane A can unload the container ship

Crane A can unload the container ship in 10 hours, and crane B can unload it in 14 hours. Crane A started to unload the ship at noon and was joined by crane B at 2 P....

Crane A can unload the container ship in 10 hours, and crane B can unload it in 14 hours. Crane A started to unload the ship at noon and was joined by crane B at 2 P....

hq - mk = ks + nt solve for k

-4x+9x=10

the graph of the function y =log^{5}x appears in which quadrants?

Simplify: 19g-4h+4-20(g-1)

a + (4/5) a + b - (10/4)b

nine hundred seven less than twice x

√75

2 + (4 -2)^{2}

(-3) + (-4) - (-5)

x/2-x-1/3=5

2y/y+4=3/y-1

Simplify the expression:

(3x^{2}y)(-xy)^{2}

(3x

What is 6x + 3x?

2(a^{2}-b^{2})(ab)+a^{4} b^{4}

______________

a^{4}-b^{4}

______________

a

6x-3(1+6x)

Three more than eight times a number is equal to 19

1/4=3-(2x-1)/(x+2)

(3/2)x = 125

4-(x)/(x-2)=(-2)/(x-2)

√x+20-x=0

(r^{3}s^{-1} / r^{2}s^{6})^{-1}

12 more than a number t

What is the value of the rational expression below when x is equal to 3?

x+1

x-4

x+1

x-4

coefficients of 4e^{+7}e^{+5}

2√18

1/9+1/x=4/9

Seven times the product of negative five and a number.

7+[(6-2)*2*2]

3n-8n+2n

3(x+3)-7 simplify

1570536900*x^{-2} = 100

4x-2x^{2}/5x-7x^{2}

a rectangular shape has a length-to-width ratio of approximately 5 to 3.a designer can use the experssion 1/3(5w) to find the length of such a rectangle with a given width ...

47 more than b

2x+5=x-3

2(x-3)+5x

4-(-5+x)+6x

-2x-3=-7

(-2mat+2k)+(3k+ak)

What are careers that use radical equations?

find the value of the coefficient of 1/x in the expansion (2x - 1/x)^5

5x-9+6x+1

A polynomial in x has degree 3. The coefficient of x2 is 3 less than the coefficient of x3. Te coefficient of x is three times the coefficient of x2. The remaining coefficient is more than the coefficient of x3. The sum of the coefficients is -4...

Is there a word problem involving rational algebraic expressions?

* December 16, 2008, 5:13 am*

By showing me correct steps and procedures to solve algebraic expressions,etc.

Hopefully simplifiying expressions so I can move on in algebra.

Help me understand algebraic expressions better.

I hope to get a better understanding on how to factor out expressions.

Understand evaluating expressions with decimals more better.

To learn how to work word problems, algebraic expressions with variables, rates,y=mx+b or y=mx-b, and knowing what these variables stand for on a graph, fractions conversions etc.

I hope your site will help me to understant radical expressions.

I hope it will help me get an understanding of problem solving by using algebraic expressions.

Hopefully simplifiying expressions so I can move on in algebra.

Help me understand algebraic expressions better.

I hope to get a better understanding on how to factor out expressions.

Understand evaluating expressions with decimals more better.

To learn how to work word problems, algebraic expressions with variables, rates,y=mx+b or y=mx-b, and knowing what these variables stand for on a graph, fractions conversions etc.

I hope your site will help me to understant radical expressions.

I hope it will help me get an understanding of problem solving by using algebraic expressions.

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