In general.,Cary’s claim is sometimes true, but in this particular expression Cary’s claim is always true
Step-by-step explanation:
The given expression is −5+m−5+m
(-5) +(-5) = -10 and m+m = 2m
= -10+2m it is a negative expression
in mathematical addition (+) + (-) = - (minus) or negative
In general.,Cary’s claim is sometimes true, but in this particular expression Cary’s claim is always true