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(5/7)*x-(4/3) = 3*x+1/2 // - 3*x+1/2
(5/7)*x-(3*x)-(4/3)-(1/2) = 0
(5/7)*x-3*x-4/3-1/2 = 0
-16/7*x-11/6 = 0 // + 11/6
-16/7*x = 11/6 // : -16/7
x = 11/6/(-16/7)
x = -77/96
x = -77/96
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