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there is no step to solve it

3 variables needs 3 equations..or is it 4 equations? its 3

maybe all 3 together? 1) 4x+6y-8z=1
2) -6x-9y+12z=0
3) x-2y-2z=3

bingo

put it in a matrix calculator =p

... matricies would be easier, if you know how to do them?

I don't know, I haven't attempted to do this kind of math in over 15 years

how do you know what x is when y and z are still unknowns?

please, if you don't mind

Oh okay
I understand how you came up with 1 and 2

the goal is to solve for only one variable at a time, then find the other two after that

^there ya go haha

You are awesome
Ty

OOOOOH nm, I get it, 12+14y=1 becomes 14y=1-12

how does 3+2(-11/14) become 3-11/7?

14:2 = 7 ---> 3 + - 11/7 ---> 3-11/7

2(-11/14)= -22/14 = 11/7, if u want it stay -22/14 that is ok