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(3/4)*(4*x-16) = 8*x-12 // - 8*x-12
(3/4)*(4*x-16)-(8*x)+12 = 0
(3/4)*(4*x-16)-8*x+12 = 0
3/4*(4*x-16)-8*x+12 = 0
3/4*(4*x-16)-8*x+12 = 0
12-5*x-12 = 0
-5*x = 0
-5*x = 0
-5*x = 0 // : -5
x = 0
x = 0
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