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(1/4)*(2*x-7) = 4 // - 4
(1/4)*(2*x-7)-4 = 0
1/4*(2*x-7)-4 = 0
1/4*(2*x-7)-4 = 0
1/2*x-23/4 = 0
1/2*x-23/4 = 0
1/2*x-23/4 = 0 // + 23/4
1/2*x = 23/4 // : 1/2
x = 23/4/1/2
x = 23/2
x = 23/2
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