Question

Which expressions are equivalent to this expression?



y+y+y+3z



Select each correct answer.

3+y+3z
3y+z
2y+2z+y+z
3(y+z)

Answer 1

D & C are the correct answers.This is because of the Distributive Property.  

y+y+y +3z = 3y + 3z.

3(y+z) also gives you 3y + 3z. 

C is correct because everything adds up to 3y +3z:
2y+2z+y+z = 3y +3z

Answer 2

Answer:

D & C are the correct answers. 2y+2z+y+z and 3(y+z)

Step-by-step explanation:

I took the test online in K12 and when I reviewed it it said that D & C are the correct answers.