SOLUTION: solve the system of equations by graphing. then classify the system. 5x-y=13 and 5x+6y=-8

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: solve the system of equations by graphing. then classify the system. 5x-y=13 and 5x+6y=-8      Log On


   

Question 346649: solve the system of equations by graphing. then classify the system.
5x-y=13 and 5x+6y=-8
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.5x-y=13
2.5x%2B6y=-8
Subtract eq. 1 from eq. 2,
5x%2B6y-5x%2By=-8-13
7y=-21
highlight%28y=-3%29
Then use either equation to solve for x,
5x%2B3=13
5x=10
highlight%28x=2%29
The system has one solution and is consistent and independent.