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(4/5)*x-(2*x)-10 = -92/5 // + -92/5
(4/5)*x-(2*x)-(-92/5)-10 = 0
(4/5)*x-2*x+92/5-10 = 0
42/5-6/5*x = 0 // - 42/5
-6/5*x = -42/5 // : -6/5
x = -42/5/(-6/5)
x = 7
x = 7
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