Question 133632
2a+3b=-1 multiply this equation by -3
3a+5b=-2 multiply this equation by 2
-6a-9b=3
6a+10b=-4
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b=-1 answer.
2a+3*-1=-1
2a-3=-1
2a=-1+3
2a=2
a=2/2
a=1 answer.