SOLUTION: Solve the matrix equation B-X=3A for X if A=[3 -6] and B=[3 -6] [4 4] [2 0] [ 8 9] [2 -1] x= [_ _] [_

Algebra ->  Matrices-and-determiminant -> SOLUTION: Solve the matrix equation B-X=3A for X if A=[3 -6] and B=[3 -6] [4 4] [2 0] [ 8 9] [2 -1] x= [_ _] [_       Log On


   

Question 306763: Solve the matrix equation B-X=3A for X if
A=[3 -6] and B=[3 -6]
[4 4] [2 0]
[ 8 9] [2 -1]
x= [_ _]
[_ _]
[_ _]
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
[A]=%28matrix%283%2C2%2C3%2C-6%2C4%2C4%2C8%2C9%29%29
[B]=%28matrix%283%2C2%2C3%2C-6%2C2%2C0%2C2%2C-1%29%29
.
.
.
[B]-[X]=3[A]
[X]=[B]-3[A]
[X]=
[X]=
[X]=%28matrix%283%2C2%2C3-9%2C-6-18%2C4-6%2C4-0%2C8-6%2C9-%28-3%29%29%29
[X]=%28matrix%283%2C2%2C-6%2C-24%2C-2%2C4%2C2%2C12%29%29