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January 28, 2015

January 28, 2015

Posted by **Presley** on Monday, March 22, 2010 at 11:55pm.

1.

x - y = 1

x + y = 3

2.

-x + y = 1

x + y = 11

3.

x + 4y = 11

x - 6y = 11

4.

-x + 3y = 6

x + 3y = 18

PLEASE HELP!!!!

I NEED HELP ASAP!!!!

- Algebra :\ -
**drwls**, Tuesday, March 23, 2010 at 6:02amEither add or subtract one equation from the other to eliminate x.

For example. ADD the two equations in Problem 1. This results in 2x = 4, which requires that x = 2. Use either equation to get y.

You can certainly do the others yourself.

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