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(5/2)*x = (3/8)*x-3 // - (3/8)*x-3
(5/2)*x-((3/8)*x)+3 = 0
(5/2)*x+(-3/8)*x+3 = 0
17/8*x+3 = 0 // - 3
17/8*x = -3 // : 17/8
x = -3/17/8
x = -24/17
x = -24/17
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