Question

1+3(4f-7)=28 disrtibutive property

Answer 1

F=4

Explanation:

1+3(4f-7)=28

3×4f= 12f

3×-7= -21

ADD THE LIKE TERMS

1+-21= -20

now you have 12f-20=28

at 20 to both sides

12f=48

divide 12 from both sides

48/12=4

F=4