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OpenStudy (anonymous):
Solve the system by substitution: -4.5x - 2y = - 12.5 3.25x - y =0.75
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OpenStudy (anonymous):
easier if you multipiy all by 100 and start with \[-450x-200y=-1250\\ 325x-100y=758\]
OpenStudy (anonymous):
damn typo \[-450x-200y=-1250\\ 325x-100y=75\]
OpenStudy (anonymous):
multiply the second equation by \(-2\) and get \[-450-200y=-1250\\ -650x+200y=-150\]
OpenStudy (anonymous):
add and you should be in good shape
OpenStudy (anonymous):
What am I adding? Sorry, I'm just not sure how to complete the problem :P
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