Question

Which expression is equivalent to x + x + 4y?

Answer 1

`2x + 4y` , There are many more "equivalent" expressions such as
`1x+1x+4(y)` or
`2(x)+4(y)`.

Explanation:

Combine like terms for the 2 "x".

`x+x+4y=2x+4y`

That is your most simplified expression.

`2x + 4y`

Answer 2

Hey there!

x + x + 4y

= 1x + 1x + 4y

COMBINE the LIKE TERMS

= (1x + 1x) + (4y)

= 1x + 1x + 4y

= x + x + 4y

= 2x + 4y

Therefore, your answer is: 2x + 4y

Good luck on your assignment & enjoy your day!

~Amphitrite1040:)