SOLUTION: I have this math problem but can't find the steps 9a+6b=-9 -9+b=30

SOLUTION: I have this math problem but can't find the steps 9a+6b=-9 -9+b=30

Algebra.Com

Question 862677: I have this math problem but can't find the steps
9a+6b=-9
-9+b=30
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
I made the correction below with what I think you meant.

Add the equations together.

Then use either equation to solve for

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