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!

Janelle wrote the matrix addition below Which statement is true n4718 m1 12012 s 1181128 nm1 s1 28 TIMED TEST PLEASE HELP class=