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-14 = (-2/5)*x // - (-2/5)*x
-((-2/5)*x)-14 = 0
(2/5)*x-14 = 0
2/5*x-14 = 0 // + 14
2/5*x = 14 // : 2/5
x = 14/2/5
x = 35
x = 35
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