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(3*x)/4-3 = 2-((7*x)/8) // - 2-((7*x)/8)
(3*x)/4+(7*x)/8-3-2 = 0
13/8*x-5 = 0 // + 5
13/8*x = 5 // : 13/8
x = 5/13/8
x = 40/13
x = 40/13
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