Question 650343
-2,1,3

2y + 4(-2) = 8
2y + (-8) = 8
2y = 8+8
y = 16/2
y = 8
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2y + 4(1) = 8
2y + 4 = 8
2y = 8-4
y = 4/2
y = 2
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2y + 4(3) = 8
2y + 12 = 8
2y = 12-8
y = (-4)\2
y = -2