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OpenStudy (anonymous):
what is the solution of the system? use elimination. 3x-4y=9 -3x+2y=9.. HELP
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OpenStudy (anonymous):
group like terms then solve
OpenStudy (anonymous):
ok i know the answer has to be (3,9) , (-27,-9),(-3,-6) or (-9,-9)
OpenStudy (anonymous):
you should add them together like this 3x - 4y + ( -3x + 2y ) = 9 + 9 and you will find x disappeared then -2y = 18 and you know what to do
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