0
Anonymous
7x + 5y
7(3) + 5(2)
21 + 10
= 31
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7x + 2 = 6x + 2 if and only x = 0.
8 + 5y = 18 Therefore, 5y = 10 y = 10/5 y = 2
x=0 y=2
5y - 2 + y + 52 = 6y + 50 - 3y6y + 50 = 9y + 50y = 0
X = -2(13 + y) / 3x = 5y / 4 - 1