GOD'S WORD® Translation
Even if I were right, I could not answer [him]. I would have to plead for mercy from my judge.

American Standard Version
Whom, though I were righteous, yet would I not answer; I would make supplication to my judge.

Berean Study Bible
For even if I were right, I could not answer. I could only beg my Judge for mercy.

Douay-Rheims Bible
I, who although I should have any just thing, would not answer, but would make supplication to my judge.

English Revised Version
Whom, though I were righteous, yet would I not answer; I would make supplication to mine adversary.

King James Bible
Whom, though I were righteous, yet would I not answer, but I would make supplication to my judge.

World English Bible
Though I were righteous, yet I wouldn't answer him. I would make supplication to my judge.

Young's Literal Translation
Whom, though I were righteous, I answer not, For my judgment I make supplication.

Job 9:15 Additional Translations ...