SOLUTION: 2x + 4y = 28 x - 2y = 10

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Question 305383: 2x + 4y = 28
x - 2y = 10
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.2x+%2B+4y+=+28
2.x-2y+=+10
Multiply eq. 2 by 2 and add to eq.1,
2x%2B4y%2B2x-4y=28%2B20
4x=48
highlight_green%28+x=12%29
Then use either equation to solve for y.
2x+%2B+4y+=+28
2%2812%29%2B4y=28
24%2B4y=28
4y=4
highlight_green%28+y=1%29