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(9/16)*x-(3/2) = 3/4 // - 3/4
(9/16)*x-(3/2)-(3/4) = 0
(9/16)*x-3/2-3/4 = 0
9/16*x-9/4 = 0 // + 9/4
9/16*x = 9/4 // : 9/16
x = 9/4/9/16
x = 4
x = 4
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