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(1/3)*(2*x+1) = 3*(2-(4*x))+7 // - 3*(2-(4*x))+7
(1/3)*(2*x+1)-(3*(2-(4*x)))-7 = 0
(1/3)*(2*x+1)-3*(2-4*x)-7 = 0
1/3*(2*x+1)-3*(2-4*x)-7 = 0
1/3*(2*x+1)-3*(2-4*x)-7 = 0
38/3*x-7-17/3 = 0
38/3*x-38/3 = 0
38/3*x-38/3 = 0
38/3*x-38/3 = 0 // + 38/3
38/3*x = 38/3 // : 38/3
x = 38/3/38/3
x = 1
x = 1
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