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5*((3/4)*x-1) = 2*x // - 2*x
5*((3/4)*x-1)-(2*x) = 0
5*((3/4)*x-1)-2*x = 0
5*(3/4*x-1)-2*x = 0
5*(3/4*x-1)-2*x = 0
7/4*x-5 = 0
7/4*x-5 = 0
7/4*x-5 = 0 // + 5
7/4*x = 5 // : 7/4
x = 5/7/4
x = 20/7
x = 20/7
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