SOLUTION: Solve with the elimination method 4x + y = 25 3x - y = 20

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Question 327083: Solve with the elimination method
4x + y = 25
3x - y = 20

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Add the two equations to eliminate y.
4x+%2B+y%2B3x-y+=+25%2B20
7x=45
x=highlight%2845%2F7%29
Then use either equation to solve for x.
4%2845%2F7%29%2By=25
y=175%2F7-180%2F7
highlight%28y=-5%2F7%29