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6*x-8 = -64/11 // + -64/11
6*x-(-64/11)-8 = 0
6*x+64/11-8 = 0
6*x-24/11 = 0 // + 24/11
6*x = 24/11 // : 6
x = 24/11/6
x = 4/11
x = 4/11
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