SOLUTION: Solve the system of linear equations by adding or subtracting. −2x + y = −7 2x − 6y = −8 Enter the solution as an ordered pair. The solution is?

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: Solve the system of linear equations by adding or subtracting. −2x + y = −7 2x − 6y = −8 Enter the solution as an ordered pair. The solution is?      Log On


   

Question 1108076: Solve the system of linear equations by adding or subtracting.

−2x + y = −7
2x − 6y = −8
Enter the solution as an ordered pair.

The solution is?
Answer by rumessa(13) About Me  (Show Source):
You can put this solution on YOUR website!
by adding both equation
(-2x +y = -7) + ( 2x - 6y = -8)
-5y = -15
y= 3
put the value of y in equation 1
-2x + 3 = -7
-2x = -10
x= 5
(x,y) = (5,3)