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7*x+4/2-6 = (3*x)/4 // - (3*x)/4
7*x-((3*x)/4)+4/2-6 = 0
7*x+(-3/4)*x+4/2-6 = 0
25/4*x-4 = 0 // + 4
25/4*x = 4 // : 25/4
x = 4/25/4
x = 16/25
x = 16/25
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