Question

matrix help please, picture in comments

Answer 1

\(4X+A=B \implies X = \dfrac{B-A}{4}\)

Answer 2

so simply subtract first matrix from the second,
then divide by 4

Answer 3

i came up with -3/4 -7/4
-1 1/4
3/4 0


@ganeshie8

Answer 4

doesnt look correct, try again

Answer 5

seems you have worked \(A-B\) instead of \(B-A\)

Answer 6

1 -3 -7
2 -4 1
3 3 0

Answer 7

exclude the 123

Answer 8

\(B-A = ?\)

Answer 9

my answer isnt apart of my choices

Answer 10

again you're doing A-B, which is wrong

Answer 11

hmmm. i dont know/see what im doing.

Answer 12

lets start over

Answer 13

you're given that \(4X+A=B\)

can you isolate \(X\) from above eqn ?

Answer 14

so i reversed it and i have 3 7
4 -1
-3 0

Answer 15

why ?

Answer 16

i put b first like you said. thats what i came up with

Answer 17

good, next what you wana do

Answer 18

isnt that it?

Answer 19

divide by 4. end up with d. @ganeshie8

Answer 20

Looks good!