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(3/4)*x-(1/10) = -3/8 // + -3/8
(3/4)*x-(1/10)-(-3/8) = 0
(3/4)*x-1/10+3/8 = 0
3/4*x+11/40 = 0 // - 11/40
3/4*x = -11/40 // : 3/4
x = -11/40/3/4
x = -11/30
x = -11/30
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