SOLUTION: a=1/2b+4 a-4b=-10

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Question 871177: a=1/2b+4
a-4b=-10
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
a=1%2F2b%2B4
a-b%2F2=4
1.8a-4b=32
2.a-4b=-10
Subtract eq. 2 from eq. 1,
8a-4b-a%2B4b=32%2B10
7a=42
a=6
Then use either equation to solve for b
6-b%2F2=4
-b%2F2=-2
b=4