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OpenStudy (anonymous):
7a+3b=-18, -7a+b=50 solve by elimination method
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OpenStudy (asnaseer):
the idea here is to try an eliminate one variable can you see how to do that?
OpenStudy (anonymous):
no
OpenStudy (asnaseer):
write one equation under the other as follows: |dw:1348699805926:dw|
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