Answer: 
Step-by-step explanation:

Subtract 15 from both sides.

Multiply by -8 to isolate a.
NOTE: When you multiply or divide by negative numbers, the inequality sign flips.


A) 1-900 2-1620 3-2916 4-5249.8 all I did was multiply each by 1.8
Answer:
You cannot add like terms like that.
Step-by-step explanation:
The terms are supposed to be added together, by combining them like that you are multiplying them together.