SOLUTION: 7x + 9y = -8 5x

SOLUTION: 7x + 9y = -8 5x - 9y = -52

Question 443115: 7x + 9y = -8 5x - 9y = -52
Answer by swincher4391(1107) (Show Source): You can put this solution on YOUR website!
7x + 9y = -8
5x - 9y = -52
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Solved by pluggable solver: SOLVE linear system by SUBSTITUTION

Solve:
We'll use substitution. After moving 9*y to the right, we get:
, or . Substitute that
into another equation:
and simplify: So, we know that y=3. Since , x=-5.

Answer: .

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