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(2/3)*(6*x+7) = 5/6 // - 5/6
(2/3)*(6*x+7)-(5/6) = 0
(2/3)*(6*x+7)-5/6 = 0
2/3*(6*x+7)-5/6 = 0
(2/3*6*(6*x+7))/6-5/6 = 0
2/3*6*(6*x+7)-5 = 0
24*x+23 = 0
(24*x+23)/6 = 0
(24*x+23)/6 = 0 // * 6
24*x+23 = 0
24*x+23 = 0 // - 23
24*x = -23 // : 24
x = -23/24
x = -23/24
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