Answer:
1. x= 11.2
2. x= 8
Step-by-step explanation:
1.

Check:

2.

Check:

Answer:
Is there a picture to go with the information to help you answer this question?
Step-by-step explanation:
(84÷7)+(9÷3) The parentheses are not necessary but I just put them.
I think that's what you meant. If you meant the other thing this would be the equation: (84÷7+9)÷3. Here the parentheses are nessasary