Question

Janelle wrote the matrix addition below.

Which statement is true?
(n+4)-7=18
((m-1) +12)+0=12
((s +1)-18)+11=-28
n+(m-1) + (s+1) =-28

TIMED TEST PLEASE HELP!

Answer 1

I think the second option is the right answer

So it will be ((m-1)+12)+0=12.

Answer 2

((m - 1) + 12) + 0 = 12 is true