Posted by **zac** on Wednesday, January 6, 2010 at 7:08pm.

pleae help solve: 3x-5y=7 and 5x-2y=-1

- algebra -
**Damon**, Wednesday, January 6, 2010 at 7:30pm
3x-5y=7 times 5 15x-25y=35

5x-2y=-1times 3 15x -6y=-3

subtract second from first

0x -19y = 38

y = -2

3x-5(-2) = 7

3x +10 =7

3x = -3

x = -1

check

3(-1) -5(-2) = 7 yes

5(-1)-2(-2)=-1 yes

- algebra 2 -
**deondre**, Wednesday, November 10, 2010 at 9:37pm
25y to the second power times x to the second power plus 20xy to the second power plus 4x to the second power

## Answer this Question

## Related Questions

- math - write an equation in slope-intercept formfor the line passing thru each ...
- Exceptional children - Providing assistance to a child in self-care tasks a. ...
- english - Pleae unscramble vrafos
- math - How can i subtract 3/4 by 1/8? Pleae explain answer.
- chemistry Pleae - C7H14O2 + NaOH What will this combination make? and can it be ...
- Math, pleae help... just want to see if i got it - -2(-6 + 4 x 3-3) would that ...
- Algebra 2 - Posted by Christian on Monday, May 7, 2007 at 11:34am. The area of a...
- Math - We have an important chemsitry test due and I want to make sure that I do...
- Intermediate Algebra - Combine like terms: -3x^2+2x-4x^2-9+6x-2x^2+8 Solve for x...
- physics - two point charges are 10.0 cm apart and have chargeso of 2.0 uC (micro...