Answer:
8.9x + 6.2 + 8.7 equals..
8.9x + 8.7 + 6.2
8.7 + 8.9x + 6.2
6.2 + 8.7 + 8.9x
Step-by-step explanation:
Addition is a property that can be done in any order. Multiplication can not be moved around. The variable x is tied to the 8.9 with multiplication, so it must always be attached to it. The other numbers can be moved around because it is addition.
Answer:
1. 
2. 0.12
3. 13
4. -9/5
Step-by-step explanation:
Answer:
x=-12
Step-by-step explanation:
I did it in my head.
A because you subtract 15from 20 and it =5 or 1/4