GOD'S WORD® Translation
O LORD, our God, you answered them. You showed them that you are a forgiving God and that you are a God who punishes their [sinful] deeds.

American Standard Version
Thou answeredst them, O Jehovah our God: Thou wast a God that forgavest them, Though thou tookest vengeance of their doings.

Berean Study Bible
O LORD our God, You answered them. You were a forgiving God to them, yet an avenger of their misdeeds.

Douay-Rheims Bible
Thou didst hear them, O Lord our God: thou wast a merciful God to them, and taking vengeance on all their inventions.

English Revised Version
Thou answeredst them, O LORD our God: thou wast a God that forgavest them, though thou tookest vengeance of their doings.

King James Bible
Thou answeredst them, O LORD our God: thou wast a God that forgavest them, though thou tookest vengeance of their inventions.

World English Bible
You answered them, Yahweh our God. You are a God who forgave them, although you took vengeance for their doings.

Young's Literal Translation
O Jehovah, our God, Thou hast afflicted them, A God forgiving Thou hast been to them, And taking vengeance on their actions.

Psalm 99:8 Additional Translations ...