SOLUTION: how to solve a system by substitution? y = -3 and 2x + 8y = -12

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Question 465409: how to solve a system by substitution?
y = -3 and 2x + 8y = -12

Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


The first equation gives you a value for directly. Substitute that value in place of in the second equation and solve the resulting single variable equation in . The solution set is the ordered pair where is the value calculated and is the value given by the first equation.

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