SOLUTION: 4x-y=9 x-3y=16

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Question 370133: 4x-y=9
x-3y=16
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.4x-y=9
2.x-3y=16
Multiply eq. 2 by (-4) and add to eq. 1,
4x-y-4x%2B12y=9-64
11y=-55
highlight%28y=-5%29
Then from eq. 1,
4x%2B5=9
4x=4
highlight%28x=1%29