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(3*(x-4))/4 = 6*(x-5)-((3/1)/3) // - 6*(x-5)-((3/1)/3)
(3*(x-4))/4-(6*(x-5))+(3/1)/3 = 0
(3*(x-4))/4-6*(x-5)+3/3 = 0
(3*(x-4))/4-6*(x-5)+1 = 0
(3*(x-4))/4+(-6*4*(x-5))/4+(1*4)/4 = 0
3*(x-4)-6*4*(x-5)+1*4 = 0
4-21*x+108 = 0
112-21*x = 0
(112-21*x)/4 = 0
(112-21*x)/4 = 0 // * 4
112-21*x = 0
112-21*x = 0 // - 112
-21*x = -112 // : -21
x = -112/(-21)
x = 16/3
x = 16/3
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