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y in (-oo:+oo)
2-((3/4)*y) = 8 // - 8
2-((3/4)*y)-8 = 0
(-3/4)*y-8+2 = 0
-3/4*y-6 = 0 // + 6
-3/4*y = 6 // : -3/4
y = 6/(-3/4)
y = -8
y = -8
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