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OpenStudy (anonymous):
Solve the system by the elimination method. Check your work. 3a + 5b - 7 = 0 a - 2b - 4 = 0
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OpenStudy (midhun.madhu1987):
Multiply the second equation completely by 3 and subtract both equations. Then a will be eliminated and find the value of b.
OpenStudy (anonymous):
So basically your saying multiply a-2b-4=0 by 3.. like every number multiply it by 3?
OpenStudy (midhun.madhu1987):
|dw:1415201183460:dw| find the value of a now... is that clear now?
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