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x-((1/5)*x)-8 = 2/7 // - 2/7
x-((1/5)*x)-(2/7)-8 = 0
x+(-1/5)*x-2/7-8 = 0
4/5*x-58/7 = 0 // + 58/7
4/5*x = 58/7 // : 4/5
x = 58/7/4/5
x = 145/14
x = 145/14
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