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(6/5)*x+4/3 = 12 // - 12
(6/5)*x+4/3-12 = 0
6/5*x-32/3 = 0 // + 32/3
6/5*x = 32/3 // : 6/5
x = 32/3/6/5
x = 80/9
x = 80/9
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