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6/2-((2*x)/5)-(3*x)+5 = x-7 // - x-7
6/2-((2*x)/5)-(3*x)-x+5+7 = 0
(-2/5)*x-3*x-x+6/2+5+7 = 0
15-22/5*x = 0 // - 15
-22/5*x = -15 // : -22/5
x = -15/(-22/5)
x = 75/22
x = 75/22
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