Which of the following are not equivalent expressions?

(1 point)

x + 3 + 3y and x + 3(1 + y)

2(x - 1) + y and 2x + y - 2

x + 4 + y and 4x + y

x + 4 + y and x + 5 + y - 1

1 answer

The expressions that are not equivalent are:

x + 3 + 3y and x + 3(1 + y)

x + 4 + y and 4x + y