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(1/8)*(x-18) = 5/6 // - 5/6
(1/8)*(x-18)-(5/6) = 0
(1/8)*(x-18)-5/6 = 0
1/8*(x-18)-5/6 = 0
(1/8*6*(x-18))/6-5/6 = 0
1/8*6*(x-18)-5 = 0
3/4*x-37/2 = 0
(3/4*x-37/2)/6 = 0
(3/4*x-37/2)/6 = 0 // * 6
3/4*x-37/2 = 0
3/4*x-37/2 = 0 // + 37/2
3/4*x = 37/2 // : 3/4
x = 37/2/3/4
x = 74/3
x = 74/3
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