sepia
Lv 7
Could someone please help me with a few problems on the Elimination Method?
1)
5x - y = 12
3x + y = 4
2)
2x - y = -6
2x - 2y = -4
4 Answers
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- Steve ALv 78 months agoFavorite Answer
5x - y = 12
3x + y = 4
Add the two equations.
8x = 16
x = 2
3(2) +y = 4
y = -2
Check it.
5(2) - (-2) = 12
Checks.
2x -y = -6
2x -2y = -4
Subtract the two equations.
y = -2
2x -(-2) = -6
x = -4
- Anonymous8 months ago
So your getting your answers from Yahoo. You are not really studying. Don't tell me you are smart.
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