Wednesday

August 20, 2014

August 20, 2014

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.

**Related Questions**

MATH 156 - What models can be used to help explain the concepts of addition and ...

Math - Using the definition of subtraction to determine the subtraction ...

algebra 1A - could someone write me an expression using three of the following? ...

Very easy math - my teacher told me that the inverse of addition was subtraction...

math - What models can be used to help explain the concepts of addition and ...

Math -5th Grade - Using on 3, 11, 21, and 24 only once, and using any ...

Math - How do problem solving using model addition and subtraction

Math - using the numbers 24-12-7-2...in any addition subtraction division or ...

pre-algebra - is a monomial an expresion that dose not use addition and ...

Algebra 2 - how do the operations of addition , subtraction and division affect ...