Answer:
Answer is 3
Step-by-step explanation:
x/3-2x/1+3 =x-3/5
x/3-x/3 = x-3/5
0=x-3/5
0=x-3
3=x
sothat, x = 3 ans
If you put 4 over 20 and did a ratio to x over 100 it would be 20%
Answer:

Step-by-step explanation:
Definition of negative exponent:

In our case, a = 3 and -n = -2.

Now we just evaluate the power in the denominator.

Answer:
-2x+4
Step-by-step explanation:
multiply all the components of the bracket by - 1.
then you arrive at the answer above