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  3. 1 use substitution to solve the following equations for x...

Question: 1 use substitution to solve the following equations for x...

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1.) Use substitution to solve the following equations for x and y, then use a graph to illustrate your results. In your diagram include the x and y-intercepts for each line as well as the intersection. a.) y = 40 – 2x

b.) y = -2 + x

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