SOLUTION: 3x+2y=11 4x+y=-2

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: 3x+2y=11 4x+y=-2      Log On


   

Question 372052: 3x+2y=11
4x+y=-2
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.3x%2B2y=11
2.4x%2By=-2
Multiply eq. 2 by (-2) and add the equations together.
3x%2B2y-8x-2y=11%2B4
-5x=15
highlight%28x=-3%29
Then use either equation to solve for y.
-9%2B2y=11
2y=20
highlight%28y=10%29