Question

solve algebraically
x-3y-3z=0
2x+5y-5z=1
-x+5y-6z=-9

Answer 1

System of equations, fun

Answer 2

3 variable system of equations. Even more fun :D

Answer 3

ikr

Answer 4

Steve you got this one? Iʻm tired, just got home, want to relax ;P

Answer 5

do you use matrices?

Answer 6

if not it is fine, we can do it without matrices

Answer 7

Matrices are the easy way ;3

Answer 8

1 -3 -3
2 5 -5
-1 5 -6

Answer 9

then 0, 1 then 9

Answer 10

I remember how our teacher wanted us to do it the hard way, but we all did it w/matrices, lel

Answer 11

Danno to the Rescue

Answer 12

Probs best to just solve X=A (-1) B on your calculator if you want to solve. Solving 3x3 inverse matrices are a pain by hand.

Answer 13

Did u get it? @Justmeneedinghelp

Answer 14

no