m+n=100, m-n=30 what is m and what is n
First, you solve for m by adding the equations.m+n=100+ m-n=30--------------2m=130m=65Now plug in 65 for m into one of the original equations65+n=100n=35You can double check by plugging them both in:65+35=100 and 65-35=30Hope that helps.
