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(3/4)*(x+7) = 24 // - 24
(3/4)*(x+7)-24 = 0
3/4*(x+7)-24 = 0
3/4*(x+7)-24 = 0
3/4*x-75/4 = 0
3/4*x-75/4 = 0
3/4*x-75/4 = 0 // + 75/4
3/4*x = 75/4 // : 3/4
x = 75/4/3/4
x = 25
x = 25
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