9 and 12 have a common factor of 3 so 9/12 = 3/4
-3 + 3n = -6 - 6n. Expand the brackets
3n + 6n = -6 + 3. Collect like terms
9n = -3
n = -3/9 = -1/3
Answer:
the answer is 32 units.
Step-by-step explanation:
14.9 is rounded to 15 or if you are going by tens then it is 20
