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(1/4)*(x-7) = 7 // - 7
(1/4)*(x-7)-7 = 0
1/4*(x-7)-7 = 0
1/4*(x-7)-7 = 0
1/4*x-35/4 = 0
1/4*x-35/4 = 0
1/4*x-35/4 = 0 // + 35/4
1/4*x = 35/4 // : 1/4
x = 35/4/1/4
x = 35
x = 35
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