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OpenStudy (anonymous):
Help will medal. Find the solution of this system of equations. x-8y=21 3x-8y=15
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OpenStudy (danjs):
multiply equation 1 by -3 add them solve for y use that y in either equation and find x
OpenStudy (anonymous):
solve eq(1) for y put it the value for y in the second then solve for x use x in either eq to solve for y
OpenStudy (anonymous):
so what is the answwer ?
OpenStudy (danjs):
x=-3 and y=-3
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