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0
452
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Elimination:

3a+b=5

2a+b=10

 Jan 13, 2015

Best Answer 

 #1
avatar
+5

Subtract everything in the equation so you get a=-5. So you have a. Plug a back into either one of the equations to find b. Viola.

 Jan 13, 2015
 #1
avatar
+5
Best Answer

Subtract everything in the equation so you get a=-5. So you have a. Plug a back into either one of the equations to find b. Viola.

Guest Jan 13, 2015

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