Question

a) Factorise : 3 (m+n) – 2m - 2n - 1

c) Solve using elimination by equating coefficients method :
3 m - 5 n = -1 & 2m = n - 3
Find the value of 3 m + 5 n​

Answer 1

Answer:

3m +3n -2m - 2n -1

m-n-1 is the answer