Question

Given: Q = 7m + 3n, R = 11 - 2m, S = n + 5, and T = -m - 3n + 8.

Simplify R - S + T.
please help i am confused.

Answer 1

\[R-S+T\text{/.}\, \{R\to 11-2 m,S\to n+5,T\to -m-3 n+8\} \]-3 m-4 n+14

Answer 2

ahhhhhh, okay thank you very much you just helped me a lot :)