Question

Which expressions are equivalent to 4b ?

Choose all answers that apply:
a. b+2 (b+2b)
b. 3b+b
c. 2(2b)

Answer 1

hello :

expressions are equivalent to 4b :

b ) 3b +b = 4b

c) 2(2b) = 4b

but : a) is not equivalent to 4b

because : b+2 (b+2b) = b + 2b +4b = 7b

Answer 2

They are b and c.

Explanation:

Let's simplify each expression:

a. b+2 (b+2b)

= b + 2b + 4b = 7b.

b. 3b + b = 4b.

c. 2(2b) = 2 * 2b = 4b.