SOLUTION: Find the soultion to the system of equations. x + 7y = -2 3x + y = 34

Algebra ->  Graphs -> SOLUTION: Find the soultion to the system of equations. x + 7y = -2 3x + y = 34      Log On


   

Question 241410: Find the soultion to the system of equations.
x + 7y = -2
3x + y = 34
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
x + 7y = -2 multiply by -3 & add
3x + y = 34
-3x-21y=6
----------------
-20y=40
y=40/-20
y=-2 ans.
x+7*-2=-2
x-14=-2
x=-2+14
x=12 ans. Proof:
3*12-2=34
36-2=34
34=34