SOLUTION: It says solve the system of equations by the addition method. -6x+y=5 5x-4y=-20 Type the answer as an ordered pair. N for no solution or I for infinitely many solutions.

Algebra ->  Graphs -> SOLUTION: It says solve the system of equations by the addition method. -6x+y=5 5x-4y=-20 Type the answer as an ordered pair. N for no solution or I for infinitely many solutions.       Log On


   



Question 184548: It says solve the system of equations by the addition method.
-6x+y=5
5x-4y=-20
Type the answer as an ordered pair. N for no solution or I for infinitely many solutions.

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
-6x+y=5 multiply this equation by 4 & ad.
5x-4y=-20
-24x+4y=20
-----------------
-19x=o
x=0 ans.
5*0-4y=-20
0-4y=-20
y=-20/-4
y=5 ans.
Proof:
-6*0+5=5
5=5