SOLUTION: How do i solve 7x + 2y = -8 8y = 4x

Question 370217: How do i solve 7x + 2y = -8
8y = 4x
Answer by ichudov(507) (Show Source): You can put this solution on YOUR website!

Solved by pluggable solver: SOLVE linear system by SUBSTITUTION

Solve:
We'll use substitution. After moving 8*y to the right, we get:
, or . Substitute that
into another equation:
and simplify: So, we know that y=-0.5. Since , x=-1.

Answer: .

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