Sunday

November 23, 2014

November 23, 2014

Posted by **Denise** on Thursday, July 25, 2013 at 1:37pm.

5u+2v=15

3u+v=-7

- Math -
**Reiny**, Thursday, July 25, 2013 at 2:15pm1st one: 5u + 2v = 15

double the 2nd: 6u + 2v = -14

subtract them:

-u = 29

u = -29

sub into 2nd:

3(-29) + v = -7

v= -7 + 87 = 80

u = -29 , v = 80

**Answer this Question**

**Related Questions**

Math - Use elimination to solve each system of equations. x+y-2z=10 8x-9y-z=5 3x...

Algebra - Solving system of linear equations by using the apropiate method name ...

Math - Use the method of elimination to solve the following system of equations...

Algebra - Use the elimination method to solve the following system of equations...

system of equations - solve using any method and identify the system as ...

Algebra....HELP!! - Use the elimination method to solve the system of equations ...

algebra - 1 Solve the set of linear equations by the matrix method : a+3b+2c=3...

algebra - i need help with these problems (either a solution or how to plug them...

Math - Please help! x-2y+z=7 2x+y-z=0 3x+2y-2z=-2 a. Solve the above system of ...

Discrete Math - I am really stuck on these problems. I've worked a lot of them ...