Wednesday

March 4, 2015

March 4, 2015

Posted by **sherri r** on Monday, January 19, 2009 at 4:14pm.

- math -
**Reiny**, Monday, January 19, 2009 at 4:38pmIs it ???

-32+3z=4(x-2y) then 4x-8y-3z = -32 (1)

4(x-2y-z)= -36 then 4x-8y+2z = -36 (2)

-2(2x+y)+2z=-12 then -4x-2y+2z = -12 (3)

(1) - (2) ---> z = 4

(2) + (3) ----> -10y - 2z = -48

-10y - 8 = -48

y = 4

back in (1)

4x - 32 - 12 = -32

x = 3

**Answer this Question**

**Related Questions**

Math Homework - Hello! I need help with these math questions, thanks! :) 1.) ...

Math(Solve the system) - So I guess I have to: Solve the system using any ...

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

Math - Solve by eliminnation methods 2x-4y=5 2x-4y=6 solve the system by ...

MATH PLEASE HELP! - Solve each system 3x+2y= -2 9x- y= -6 I know how to solve ...

College Algebra - Solve the system of equations using matrices. If system has no...

Algebra, help needed - I need help I don't know how to solve this system Solve ...

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

Math-System of Equations - 1. Solve for x, y, z in the following system: 2x-3y-2...

Math - Explain how to solve the following system of equations. What is the ...