Answer:

Step-by-step explanation:
1) Collect like terms.

2) Simplify.

Answer:
-2
Step-by-step explanation:
14/7 = 2
So,
-14/7 = -2
Check:
-2 x 7 = -14
Answer: To determine the domain the set of all possible inputs of a function which allow the function to work.
Step-by-step explanation: