Question

How do you do matrix?

Answer 1

what do you want? post a specific one,please

Answer 2

-12x-13y+13z=15
7x-10y-3z=11
7x+14y+5z=-5

Answer 3

solve the system?
I have to confirm this first: what do you want me to do? the answer or the way to get the answer. (to save our time, please , honestly tell me the truth. I promise that I will give you the answer if you don't want to study)

Answer 4

The answer!

Answer 5

ok, straightforward , I can force other study if he doesn't want to do.
this is the answer:
x = 219/376
y = -347/376
z= 289/376

Answer 6

*can't

Answer 7

Huh? This isn't even close to my answer choices

Answer 8

I don't know, I use calculator to solve that matrix, cannot be wrong.