Posted by Princess on Tuesday, December 11, 2012 at 8:49am.
elimination is usually done with linear equations. Using substitution,
x = 2y-3, so we have
(2y-3)^2 + 9y^2 = 37
4y^2 - 12y + 9 + 9y^2 = 37
13y^2 - 12y - 28 = 0
(y-2)(13y+14) = 0
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