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8-(7*x) = 86/11-6*x // - 86/11-6*x
8-(7*x)-(-6*x)-(86/11) = 0
6*x-7*x-86/11+8 = 0
2/11-x = 0 // - 2/11
-x = -2/11 // * -1
x = 2/11
x = 2/11
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