# How do you solve the system #4x + y - z = -2#, #x + 3y - 4z = 1#, #2x - y + 3z = 4#?

##### 1 Answer

Nov 19, 2015

#x=-1#

#y=6#

#z=4#

#### Explanation:

The solution is given in the form of an image.

It is developed in Excel by me.

You have to supply the positive signs at the appropriate places.