I really need help with linear combination with 3 variables?

I don’t know if I can go on in my Alg2 class. I might drop it and just wait until Jr. year when I am actually supposed to take it. Anyway, Linear Combination w/ three variables.

3x+2y-z=8

-3x+4y+5z= -14

x-3y+4z= -14

I can’t get past the first step. I know I would cancel the 3x and -3x leaving me with 6y+4z= -6. But where do I go from there? Please help.

Top 1 Answers

A few days ago

Anonymous

Favorite Answer

Purplemath.com is a good site to get these explanations:

http://www.purplemath.com/modules/systlin6.htm

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I really need help with linear combination with 3 variables?

I really need help with linear combination with 3 variables?

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