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(1/2)*x+7/9 = 37/36 // - 37/36
(1/2)*x+7/9-(37/36) = 0
(1/2)*x+7/9-37/36 = 0
1/2*x-1/4 = 0 // + 1/4
1/2*x = 1/4 // : 1/2
x = 1/4/1/2
x = 1/2
x = 1/2
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