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y in (-oo:+oo)
2*y-((3*y)/16)+4 = -8 // + 8
2*y-((3*y)/16)+4+8 = 0
2*y+(-3/16)*y+4+8 = 0
29/16*y+12 = 0 // - 12
29/16*y = -12 // : 29/16
y = -12/29/16
y = -192/29
y = -192/29
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