Answer:
9
Step-by-step explanation:
You substitute 9 for x and 9 - 3 = 6
I hope it helps! Have a great day!
Muffin ^^
Answer:

Step-by-step explanation:
3x=6x-2
Subtract '3x' from both sides
0=3x-2
Add '2' to both sides
2=3x
Divide by 3
x=2/3
If you need the answer in decimal form divide 2 by 3
Answer:
Josh is wrong.
Step-by-step explanation:
5^-x / 5^x = 5^(-x-x) = 5^-2x
= 1 / 5^2x
(you subtract the exponents when dividing )
So Josh is wrong ( he would be correct if we were multiplying)
You would do parentheses first and that answer you will x 7