Question

Need help with a range of problems for my college algebra class. I understand none of it and need helo asap.

Answer 1

I might be able to help. What question?

Answer 2

There are so many, but i will show you the first one.

Answer 3

x+5y-z=-8
x+6y+z=-19
x-7y+6z=0
(And they have a big { on the right side idk if it matters or not)

Answer 4

Another problem is

3x+4y-5z=8
4x+y-z=-1
x-3y+3z=-10

Answer 5

What are the directions?

Answer 6

Use right-to-left elimination to solve the system of equations