SOLUTION: Solve the following system of equations by elimination: 2x-6y=3, 4x+9y= -1

Algebra ->  Rational-functions -> SOLUTION: Solve the following system of equations by elimination: 2x-6y=3, 4x+9y= -1      Log On


   

Question 327373: Solve the following system of equations by elimination: 2x-6y=3, 4x+9y= -1
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.2x-6y=3
2.4x%2B9y=+-1
Multiply eq. 1 by (-2) and add to eq. 2,
-4x%2B12y%2B4x%2B9y=-6-1
21y=-7
highlight%28y=-1%2F3%29
Then use either equation to solve for x.
2x%2B2=3
2x=1
highlight%28x=1%2F2%29