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(12/2)*x-14 = (4/3)*x // - (4/3)*x
(12/2)*x-((4/3)*x)-14 = 0
(12/2)*x+(-4/3)*x-14 = 0
14/3*x-14 = 0 // + 14
14/3*x = 14 // : 14/3
x = 14/14/3
x = 3
x = 3
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