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OpenStudy (anonymous):
What is the value of the y variable in the solution to the following system of equations? 5x + 4y = 1 4x + 3y = -1 -7 7 9 -9
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OpenStudy (psymon):
It'd be 9. Personally solved it by elimination *draws*
OpenStudy (anonymous):
9 I agree with Psymon. elimination rules in this case
OpenStudy (anonymous):
multiply the second equation by -5
OpenStudy (psymon):
|dw:1374947852697:dw| But yeah, you could multiply either one by negative, I just chose the top one.
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