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(1/2)*x-(1/8)-6 = 0
(1/2)*x-1/8-6 = 0
1/2*x-49/8 = 0 // + 49/8
1/2*x = 49/8 // : 1/2
x = 49/8/1/2
x = 49/4
x = 49/4
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