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8*x+x/7-(8/7) = 5*x+1/7 // - 5*x+1/7
8*x+x/7-(5*x)-(8/7)-(1/7) = 0
8*x+x/7-5*x-8/7-1/7 = 0
22/7*x-9/7 = 0 // + 9/7
22/7*x = 9/7 // : 22/7
x = 9/7/22/7
x = 9/22
x = 9/22
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