SOLUTION: Given that: 2y + 10x + 18 = 4 and 4x – y + 11 = 0, solve for y.

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Question 944451: Given that: 2y + 10x + 18 = 4 and 4x – y + 11 = 0, solve for y.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
From eq. 2,
y=4x%2B11
Substitute into eq. 1,
2%284x%2B11%29%2B10x%2B18=4
8x%2B22%2B10x%2B18=4
18x=-36
x=-2
So then,
y=4%28-2%29%2B11
y=-8%2B11
highlight%28y=3%29