Posted by **hgjki** on Monday, February 4, 2008 at 11:17pm.

2a+3b=9

3a+2b=12

- algebra -
**Seth**, Monday, February 4, 2008 at 11:41pm
what are you support to do.

- algebra -
**drwls**, Tuesday, February 5, 2008 at 3:58am
If you are trying to solve for a and b,

multiply the first equation by 3 and the second equation by 2.

6a + 9b = 27

6a + 4b = 24

Now subtract them

5b = 3

b = 3/5

Now substitute thab b in the first equation

2a + 9/5 = 9

2a = 36/5

a = 18/5

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