First, you solve for m by adding the equations.
m+n=100
+ m-n=30
--------------
2m=130
m=65
Now plug in 65 for m into one of the original equations
65+n=100
n=35
You can double check by plugging them both in:
65+35=100 and 65-35=30
Hope that helps.
i think its B but i can be wrong if its not B then its D
Answer:
ion no but pls mark me ill tell my brother to anser it and help you
Step-by-step explanation:
Answer:
El resultado eres:
Step-by-step explanation:
Se dan las siguientes funciones
Cuál es el resultado de R(x) + S(x) ?
Se soman los fatores en comun. Entonces:
El resultado eres: