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y = -71
-65
y = 6
x = -4 and y = 2
x = 2y = 4
The solution is (x, y, z) = (2.5, 1, 2.5).
3x+y=6
19 + y
(x, y) = (-6, 0)
6 + y = 8 y = 8 - 6 y = 2
y
y=-10x-4
-y + 7 = 13 -y = 6 y = -6