
Philip P. answered 11/21/16
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(1-2y)/(y+3) = x
1-2y = x(y+3)
1-2y = xy + 3x
1 = xy + 3x + 2y
1 - 3x = xy + 2y
1 - 3x = y(x + 2)
(1-3x)/(x+2) = y