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(2/5)*x-2 = 4*x-14 // - 4*x-14
(2/5)*x-(4*x)-2+14 = 0
(2/5)*x-4*x-2+14 = 0
12-18/5*x = 0 // - 12
-18/5*x = -12 // : -18/5
x = -12/(-18/5)
x = 10/3
x = 10/3
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