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y in (-oo:+oo)
4*y-(4/8) = 14 // - 14
4*y-(4/8)-14 = 0
4*y-1/2-14 = 0
4*y-29/2 = 0 // + 29/2
4*y = 29/2 // : 4
y = 29/2/4
y = 29/8
y = 29/8
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