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(4*(3*x-1)^1)/3 = 50 // - 50
(4*(3*x-1)^1)/3-50 = 0
(4*(3*x-1))/3-50 = 0
(4*(3*x-1))/3+(-50*3)/3 = 0
4*(3*x-1)-50*3 = 0
12*x-154 = 0
(12*x-154)/3 = 0
(12*x-154)/3 = 0 // * 3
12*x-154 = 0
12*x-154 = 0 // + 154
12*x = 154 // : 12
x = 154/12
x = 77/6
x = 77/6
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