SOLUTION: substitution:
y=x+3
2x+y=-6
Algebra.Com
Question 512652: substitution:
y=x+3
2x+y=-6
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Remove the 
from the 2nd equation, replace it with 
and then solve for 
. Once you have the value of , substitute it in place of in the first equation and solve for .
John
My calculator said it, I believe it, that settles it
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