Learn step by step how to solve a system of equations by substitution

The video tutorial explains how to solve systems of equations using algebraic methods, focusing on the substitution method. The instructor provides a step-by-step guide, starting with identifying variables with coefficients of one or negative one, solving for one variable, and substituting it into the other equation. An example is provided to illustrate the process, and the tutorial concludes with a summary of the results.

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