SOLUTION: x+y=10 2x=y-13

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Question 254629: x+y=10
2x=y-13
Answer by drk(1908) About Me  (Show Source):
You can put this solution on YOUR website!
Here are your two equations
(i) x%2By=10
(ii) 2x=y-13
Solve (ii) for y and we get
(iii) y+=+2x+%2B+13
Lets solve by substitution of (iii) into (i) as
(iv) x+%2B+2x+%2B+13+=+10
Now,
3x+%2B+13+=+10
3x+=+-3
x+=+-1
Now, we find y as
y+=+11