Question

7m+n=10 m-3n=14 what is the solution ordered pair?

Answer 1

7m+n = 10....................(1)
m-3n=14 ......................(2)
from (1)
21m+3n=30....................(3)
add (2) and (3)
22m = 44
m = 2
sub m in (2):
2-3n=14
3n = -12
n = -4

solution is 2,-4

Answer 2

I am having a hard time with these for some reason. thank you