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3/8 = 4*x+5 // - 4*x+5
3/8-(4*x)-5 = 0
3/8-4*x-5 = 0
-4*x-37/8 = 0 // + 37/8
-4*x = 37/8 // : -4
x = 37/8/(-4)
x = -37/32
x = -37/32
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