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January 28, 2015

January 28, 2015

Posted by **Rita** on Thursday, July 2, 2009 at 1:13pm.

2a+b=1

multiply eq 2 x 2

4a+2b=2

eliminate b by subtracting eq (1) from (3)

4a+2b=2

3a-2b=12

a=-10 am i going right so far??

- Math -
**Marth**, Thursday, July 2, 2009 at 3:09pmYes, that looks correct.

Continue by substituting in a=-10 into one of the equations to find b.

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