pretend these are written across the page and have matrix brackets around them
1 4 -1
1 1 1
-2 -2 2
x
x
y
z
=
7
2
-8
Can someone please help me convert these equations into a matrix equation.
x+4y-z=7
x+y+z=2
-2x-2y+2z=-8
2 answers
x+y+z=2 have the invisible 1 in front of them correct