SOLUTION: 6x-y=38 5y=6x-70

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: 6x-y=38 5y=6x-70      Log On


   

Question 347124: 6x-y=38
5y=6x-70
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.6x-y=38
.
.
.
2.5y=6x-70
-6x%2B5y=-70
Add eq. 1 and eq. 2,
6x-y-6x%2B5y=38-70
4y=-32
highlight%28y=-8%29
Then use either equation to solve for x.
6x-%28-8%29=38
6x%2B8=38
6x=30
highlight%28x=5%29