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x+31/4 = x/2+3/8 // - x/2+3/8
x-(x/2)+31/4-(3/8) = 0
x-(x/2)+31/4-3/8 = 0
1/2*x+59/8 = 0 // - 59/8
1/2*x = -59/8 // : 1/2
x = -59/8/1/2
x = -59/4
x = -59/4
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