SOLUTION: solve by the elimination method 4a+3b=-9 -4a+b=13

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Question 712638: solve by the elimination method
4a+3b=-9
-4a+b=13
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Hint:

Add the equations:

4a+3b=-9
-4a+b=13
---------
0a+4b=4

4b = 4

b = 4/4

b = 1

Now use this value of 'b' to find the value of 'a'