Answer:
n=-1
Step-by-step explanation:
Plug in m=-2 into the given equation and solve
5(-2 - n) =5n
Distribute the 5 to the -2 and -n
-10-5n=5n
Isolate the variable to one side by adding 5n to the right side of the equation.
-10=10n
Isolate the variable by dividing by 10 on both sides.
-1 = n
