Question

find the sum or difference.
-3 0 -4 2
5 -7 + -1 8

Answer 1

Assuming those are matrices, you just add up the corresponding components

Answer 2

can you explain it to me

Answer 3

in the upper left corner of each matrix we have -3 and -4

add them: -3 + (-4) = -7

so -7 goes in the upper left corner of the answer matrix

Answer 4

do the same for the other entries

Answer 5

so whats the answer

Answer 6

do you see how I'm getting that result?

Answer 7

yea