Question

Solve the matrix equation for X.

[8 -7] + x = [6 4]
[1 -5] [0 5]

Answer 1

Try doing this term by term.
1. What number do you add to 8 to get 6?
2. What number do you add to -7 to get 4?
Etc. Do the rest.

Answer 2

well you can subtract 2 to get to 6 you add 3 to get 4

Answer 3

The first one is right. The second one, not quite...

Answer 4

I'm not sure than

Answer 5

-7 + 11 = 4 (Remember how to add negatives.)
3. What number do you add to 1 to get 0?
4. What number do you add to -5 to get 5?

Answer 6

-1 and you add 10

Answer 7

Very good. Now your matrix is
{-2 11]
[-1 10]

Answer 8

Thank you . Is there more to do or is that it?