Question

(b+(b+1)+(b+2))÷4 = 21

Answer 1

here is your answer

I hope it will help u

Answer 2

(b+(b+1)+(b+2)÷4=21

⇒(b+b+1+b+2)÷4=21

⇒(3b+3)÷4=21

⇒3b+3=21x4

⇒3b+3=84

⇒3b=84-3

⇒3b=81

⇒b=81/3

⇒b=27

HOPE IT HELPS YOU:)