Brian has a piece of yarn that is 48 inches long. how many feet long is his piece of
yarn?

4 feet

Step-by-step explanation:

there are 12 inches in a foot, therefore, if you divide 12 by 48, you get 4.

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2