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8-((1/2)*x) = (3/2)*x-10 // - (3/2)*x-10
8-((1/2)*x)-((3/2)*x)+10 = 0
(-1/2)*x+(-3/2)*x+8+10 = 0
18-2*x = 0 // - 18
-2*x = -18 // : -2
x = -18/(-2)
x = 9
x = 9
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