SOLUTION: please help me solve 3x+y=5 by using elimination ___________ ___2x-2y=-2

Algebra ->  Systems-of-equations -> SOLUTION: please help me solve 3x+y=5 by using elimination ___________ ___2x-2y=-2      Log On


   

Question 835508: please help me solve 3x+y=5 by using elimination
_______________2x-2y=-2
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.3x%2By=5
2.2x-2y=-2
Multiply eq. 1 by 2 and add to eq. 2 to eliminate y
6x%2B2y%2B2x-2y=10-2
8x=8
x=1
Now use either equation to solve for y
3x%2By=5
3%281%29%2By=5
y=2