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OpenStudy (anonymous):
2x + y = -2 x + y = 5 The x-coordinate of the solution to the system shown is _____. -7 -3 3 7 -7 ???????
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myininaya (myininaya):
Did you subtract equation 1 from 2 (or even the other way around)?
OpenStudy (anonymous):
you are correct! it is -7
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