Question

Which expressions are equivalent to x + 2y + x + 2?Choose all answers that apply:А2(x + y + 1)B2x + 4y + 4None of the above

Answer 1

`\begin{gathered} x+2y+x+2 \\ Add_{\text{ }}like_{\text{ }}terms\colon \\ 2x+2y+2 \end{gathered}`

So, for:

`\begin{gathered} 2(x+y+1)\colon \\ Use_{\text{ }}distributive_{\text{ }}property\colon \\ 2x+2y+2\equiv2x+2y+2 \end{gathered}`

For:

`2x+4y+4\\e2x+2y+2`