YOU SAID:

i went to the kitchen to eat a sandwich

INTO JAPANESE

私はサンドイッチを食べるために台所に行きました

BACK INTO ENGLISH

I went to the kitchen to eat a sandwich

INTO JAPANESE

キッチンに行ってサンドイッチを食べました

BACK INTO ENGLISH

I went to the kitchen and ate a sandwich.

INTO JAPANESE

私は台所に行き、サンドイッチを食べました。

BACK INTO ENGLISH

I went to the kitchen and ate a sandwich.