Use the distributive property to write an expression equivalent to 14x+21y

Answer 1

14x+21y = 7*2x + 7*3y = 7(2x+3y)

Answer 2

9x + 2y - 3 - 2x - 2y

Answer 3

this does not help

Answer 4

14x+21y = 7*2x + 7*3y = 7(2x+3y) is an incorrect answer.
However, the correct answer:
= 7(2x+3y+z)

Answer 5

Can you answer this? Use the Distributive property to write an expression equivalent to y(-3-8x)

Answer 6

I think this is the answer -3y -8yx