Question

(m+n)/(m-n)=(3)/(4)
solve for m

Answer 1

=> (m+n)/(m-n) = ¾

=> 4(m+n) = 3(m-n)

=> 4m+4n = 3m-3n

=> 4m-3m = -3n-4n

=> m = -7n

( This is the anwer according to me.)