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