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2*x+3/8 = 19/8 // - 19/8
2*x+3/8-(19/8) = 0
2*x+3/8-19/8 = 0
2*x-2 = 0 // + 2
2*x = 2 // : 2
x = 2/2
x = 1
x = 1
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