YOU SAID:
My chair is broken and i don't know what to do.
INTO JAPANESE
私の椅子が壊れていると何をするかを知らない。
BACK INTO ENGLISH
I don't know what to do and my chair is broken.
INTO JAPANESE
何をするかを知らないし、私の椅子が壊れています。
BACK INTO ENGLISH
My chair is broken, and I don't know what to do.
INTO JAPANESE
私の椅子が壊れていると何をするかを知らない。
BACK INTO ENGLISH
I don't know what to do and my chair is broken.
INTO JAPANESE
何をするかを知らないし、私の椅子が壊れています。
BACK INTO ENGLISH
My chair is broken, and I don't know what to do.
it is unlikely that this phrase will ever reach equilibrium