How to solve for the value of x and y using substitution, x = 5y; 3x - 2y = 39

The video tutorial covers solving systems of equations using the substitution method. It begins with a recap of previous lessons on graphing systems and introduces the substitution method. The instructor demonstrates how to substitute values into equations to find where two lines intersect. The process involves simplifying equations to solve for Y and then using that value to find X, ultimately determining the intersection point of the two lines.

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