SOLUTION: Solve this system using the elimination method: 2x+9y= -15 5x+9y= -24

Algebra ->  Expressions-with-variables -> SOLUTION: Solve this system using the elimination method: 2x+9y= -15 5x+9y= -24      Log On


   



Question 821798: Solve this system using the elimination method:
2x+9y= -15
5x+9y= -24

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
Solve this system using the elimination method:
2x+9y= -15 ***
5x+9y= -24 |Subtracting 2nd from 1st EQ to eliminate y
-3x = 9
x = -3 and y = -9/9 = -1 -6%2B9y=+-15}
P(-3,-1) solution to system of Equations
CHECKING our answer***
Using 5x + 9y = -24
-15 - 9 = -24