Question

1 Simplify the following.
(a) 9-2n - 7 +3n​

Answer 1

9-2n-7+3n = 16n

Step-by-step explanation:

(-)(-) = (+).so , 9+7=16

(-)(+) = (-). so,3n-2n = 1n = n

hence the answer is 16n

Answer 2

Answer:

Rearrange..

9-7+3n-2n

=2+n