Question

Which steps can be done to both sides of the equation to determine the value of x ?

3.2.2 - 9.6 = 38.4
A. subtract 9.6, then multiply by 3.2.
B. Add 9.6, then multiply by 3.2.
C. Add 9.6, then divide by 3.2.
D. Subtract 9.6, then divide by 3.2.

Answer 1

C. Add 9.6, then divide by 3.2.

Explanation:

`3.2x−9.6=38.4`

`3.2x=38.4+9.6`

`3.2x=48`

`x = (48)/(3.2)`

`x = 15`

Hope it is helpful...