#### Answer

no solution

#### Work Step by Step

Substituting the second equation ($y=-4+x$) into the first one we get: $9x^2+4(-4+x)^2=36\\9x^2+4(16-8x+x^2)=36\\13x^2-32x+28=0$
The discriminant is negative here, thus there is no solution.

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Published by
McDougal Littell

ISBN 10:
0618595414

ISBN 13:
978-0-61859-541-9

no solution

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