Berean Study Bible
if only you obey the LORD your God and are careful to follow all these commandments I am giving you today.

King James Bible
Only if thou carefully hearken unto the voice of the LORD thy God, to observe to do all these commandments which I command thee this day.

American Standard Version
if only thou diligently hearken unto the voice of Jehovah thy God, to observe to do all this commandment which I command thee this day.

Darby Bible Translation
if thou only diligently hearken unto the voice of Jehovah thy God, to take heed to do all this commandment which I command thee this day.

Douay-Rheims Bible
Yet so if thou hear the voice of the Lord thy God, and keep all things that he hath ordained, and which I command thee this day, he will bless thee, as he hath promised.

English Revised Version
if only thou diligently hearken unto the voice of the LORD thy God, to observe to do all this commandment which I command thee this day.

Young's Literal Translation
'Only, if thou dost diligently hearken to the voice of Jehovah thy God, to observe to do all this command which I am commanding thee to-day,