Question

What is the value of 6(2b-4) when b=5

Answer 1

36

Explanation:

Well, we can do this 2 ways: Distribute first, or do it last.

Distribute First:

12b-24=

12(5)-24=

60-24=

36

Distribute last:

6(2(5)-4)=

6(10-4)=

Now you can take this two ways.

Distribute:

60-24=36

OR

Parenthessess: (I dont know how to spell.)

6(6)=36

Answer 2

36

Explanation:

6(2b-4)

Let b = 5

6(2 (5)-4)

Work inside the parentheses out

6(10-4)

6(6)

36