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

Question

asked Jul 6, 2021 205k views

1 Answer

Guforu · Answer 1 · 2021-07-11T08:46:26+0000

Answer:

Explanation:

Q = 7m + 3n,

R = 11 - 2m,

S = n + 5,

T = -m - 3n + 8.

Q + S - T = 7m + 3n + (n + 5) - (-m - 3n + 8)

Q + S - T = 7m + 3n + n + 5 + m + 3n - 8

Q + S - T = 8m + 7n - 3