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3/4-((1/2)*x) = 85*x // - 85*x
3/4-((1/2)*x)-(85*x) = 0
(-1/2)*x-85*x+3/4 = 0
3/4-171/2*x = 0 // - 3/4
-171/2*x = -3/4 // : -171/2
x = -3/4/(-171/2)
x = 1/114
x = 1/114
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