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equations video, linear equations video, systems video, systems of equations video, systems of linear equations video.

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This clip shows how to solve a given system of two linear equations:

x - 3y = -5

2x - 5y = -9

x - 3y = -5

2x - 5y = -9

System of linear equations in two variables substitution method 3 video involves equations, linear equations, systems, systems of equations, systems of linear equations. The video tutorial is recommended for 5th Grade, 6th Grade, 7th Grade, 8th Grade, 9th Grade, 10th Grade, 11th Grade, and/or 12th Grade Math students studying Algebra, Calculus, Pre-Algebra, Pre-Calculus, and/or Advanced Algebra.

An equation is a mathematical statement, in symbols, that two things are the same (or equivalent). Equations are written with an equal sign. Equations are often used to state the equality of two expressions containing one or more variables.

In mathematics system of equations are a set of equations containing multiple variables. To solve system of equations, the solver needs to use the provided equations to find the exact value of each variable. Generally the solver uses either a graphical method (by plotting all the lines and/or curves on the same graph and finding the exact coordinates of their intersection), the matrix method, the substitution method, and/or the elimination method. Some textbooks refer to the elimination method as the addition method, since it involves adding equations (or constant multiples of the said equations) to one another.

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