SOLUTION: Solve system of equation by the substitution method. {y = 2x + 9 {y = 7x + 10

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Question 566795: Solve system of equation by the substitution method.
{y = 2x + 9
{y = 7x + 10
Answer by solver91311(24713) About Me  (Show Source):
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So



Solve for , then substitute the derived value for into either of the original equations and then solve for

John

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