Question

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

Answer 1

Answer: 8m + 7n -3

Explanation:

7m + 3n + n + 5 - (-m -3n +8)

= 7m + 3n + n + 5 + m + 3n -8

Then, combine all the like terms.

= 8m + 7n -3