SOLUTION: 3x+2y=-5 4x-3y=16

Algebra ->  Expressions-with-variables -> SOLUTION: 3x+2y=-5 4x-3y=16      Log On


   



Question 730371: 3x+2y=-5
4x-3y=16

Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
3x+2y=-5 MULTIPLY BY 3
4x-3y=16 MULTIPLY BY 2 & ADD.
9X+6Y=-15
8X-6Y=32
----------------
X=17/17
17X=17
X=1 ANS.
3*1+2Y=-5
3+2Y=-5
2Y=-5-3
2Y=-8
Y=-8/2
Y=-4 ANS.
PROOF:
4*1-3*-4=16
4+12=16
16=16