Question

Evaluate the expression for the given value of the variable



4(x-4); x=7​

Answer 1

12

Explanation:

First, you insert the 7 in place of the x. Then you do what is in the parenthesis, according to PEMDAS. 7-4 = 3. You end up with 4(3). You then do distributive property and you end up with 12.

Answer 2

12

Explanation:

substitute x = 7 into the equation:

`4 (7-4)\\4(3)\\12`