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# 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 71 year 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

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- Mike GLv 71 year ago
1) Add equations

8x = 16

x = 2, y = -2

2) Subtract equations

y = -2, x = -4

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- Anonymous1 year ago
So your getting your answers from Yahoo. You are not really studying. Don't tell me you are smart.

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