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OpenStudy (anonymous):
8x+y=21 -11x-y=-27
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OpenStudy (anonymous):
@ranga
OpenStudy (anonymous):
there is an algebra calculator on mathpapa.com. Just plug in your numbers!
OpenStudy (anonymous):
or if you dont like that one, google search for another
OpenStudy (anonymous):
you will get answer right away
OpenStudy (ranga):
Just add the two equations to eliminate y and solve for x. Then solve for y.
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OpenStudy (anonymous):
idk this one is hard
OpenStudy (anonymous):
@ranga
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