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(5*x)/12 = 8*x-12 // - 8*x-12
(5*x)/12-(8*x)+12 = 0
(5*x)/12-8*x+12 = 0
12-91/12*x = 0 // - 12
-91/12*x = -12 // : -91/12
x = -12/(-91/12)
x = 144/91
x = 144/91
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