Subtract the second equation, giving -18 = y so x = -46
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9y-3y=6y; 6y+2y=8y; so your answer is 8y
10-y=2y+3 10-3=2y+y 7=3y 7/3=y
4n + 3y
y = -1
are you talking about a system of equations where x+3y=-7 -x+2y=-8 if so, then the answer is {2,-3}