SOLUTION: Solve this system of equations using the elimination method: 3a-3b=-15 -3a-3b=-3

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Question 376294: Solve this system of equations using the elimination method:
3a-3b=-15
-3a-3b=-3
Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
3a-3b=-15
-3a-3b=-3

-6b=-18
b=3

3a-3b=-15
3a-3(3)=-15
3a-9=-15
3a=-6
a=-2

Answers: a=-2, b=3