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3-(x/5) = 2*x-6 // - 2*x-6
3-(x/5)-(2*x)+6 = 0
3-(x/5)-2*x+6 = 0
9-11/5*x = 0 // - 9
-11/5*x = -9 // : -11/5
x = -9/(-11/5)
x = 45/11
x = 45/11
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