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2*x+x-(7/4) = 2*x+7/2+5 // - 2*x+7/2+5
2*x+x-(2*x)-(7/4)-(7/2)-5 = 0
2*x+x-2*x-7/4-7/2-5 = 0
x-41/4 = 0 // + 41/4
x = 41/4
x = 41/4
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