American Standard Version
if thou shalt keep all this commandment to do it, which I command thee this day, to love Jehovah thy God, and to walk ever in his ways; then shalt thou add three cities more for thee, besides these three:

Berean Study Bible
and if you carefully keep all these commandments I am giving you today, loving the LORD your God and walking in His ways at all times, then you are to add three more cities to these three.

Douay-Rheims Bible
(Yet so, if thou keep his commandments, and do the things which I command thee this day, that thou love the Lord thy God, and walk in his ways at all times) thou shalt add to thee other three cities, and shalt double the number of the three cities aforesaid:

English Revised Version
if thou shalt keep all this commandment to do it, which I command thee this day, to love the LORD thy God, and to walk ever in his ways; then shalt thou add three cities more for thee, beside these three:

King James Bible
If thou shalt keep all these commandments to do them, which I command thee this day, to love the LORD thy God, and to walk ever in his ways; then shalt thou add three cities more for thee, beside these three:

World English Bible
if you keep all this commandment to do it, which I command you this day, to love Yahweh your God, and to walk ever in his ways; then you shall add three cities more for yourselves, besides these three:

Young's Literal Translation
when thou keepest all this command to do it, which I am commanding thee to-day, to love Jehovah thy God, and to walk in His ways all the days -- then thou hast added to thee yet three cities to these three;

Deuteronomy 19:9 Additional Translations ...