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(3/4)*(5*x-4) = (1/2)*(4*x+3) // - (1/2)*(4*x+3)
(3/4)*(5*x-4)-((1/2)*(4*x+3)) = 0
(3/4)*(5*x-4)+(-1/2)*(4*x+3) = 0
3/4*(5*x-4)-1/2*(4*x+3) = 0
3/4*(5*x-4)-1/2*(4*x+3) = 0
7/4*x-9/2 = 0
7/4*x-9/2 = 0
7/4*x-9/2 = 0 // + 9/2
7/4*x = 9/2 // : 7/4
x = 9/2/7/4
x = 18/7
x = 18/7
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