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8 = (1/2)*(3*x-8) // - (1/2)*(3*x-8)
8-((1/2)*(3*x-8)) = 0
(-1/2)*(3*x-8)+8 = 0
8-1/2*(3*x-8) = 0
8-1/2*(3*x-8) = 0
12-3/2*x = 0
12-3/2*x = 0
12-3/2*x = 0 // - 12
-3/2*x = -12 // : -3/2
x = -12/(-3/2)
x = 8
x = 8
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