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OpenStudy (anonymous):
use elimination to find the solution to the system of equations: 5x+4y=-2, 3x+9y=-21
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OpenStudy (anonymous):
you could multiply the first equation by \(-3\) and the second equation by 5 and add the equations.
OpenStudy (anonymous):
\[ -15x-12y=6\] \[15x+45y=-105\] \[33y=-99\]
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