How to solve a system of equations with infinite many solutions

The video tutorial explains the substitution method for solving systems of equations. It begins with an introduction to substitution, followed by steps to isolate and solve for a variable, specifically X. The process of substituting the value of X into another equation is demonstrated, emphasizing the importance of using parentheses and the distributive property. The tutorial concludes with an explanation of infinite solutions, where two lines overlap, sharing all points.

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