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2*x-(2/5) = 88/5 // - 88/5
2*x-(2/5)-(88/5) = 0
2*x-2/5-88/5 = 0
2*x-18 = 0 // + 18
2*x = 18 // : 2
x = 18/2
x = 9
x = 9
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