New Revised Standard Version
The people came to Moses and said, “We have sinned by speaking against the LORD and against you; pray to the LORD to take away the serpents from us.” So Moses prayed for the people.

Contemporary English Version
Some of the people went to Moses and admitted, "It was wrong of us to insult you and the LORD. Now please ask him to make these snakes go away." Moses prayed,

New American Bible
Then the people came to Moses and said, “We have sinned in complaining against the LORD and you. Pray to the LORD to take the serpents from us.” So Moses prayed for the people,

Douay-Rheims Bible
Upon which they came to Moses, and said; We have sinned, because we have spoken against the Lord and thee: pray that he may take away these serpents from us. And Moses prayed for the people.

Upon which they came to Moses, and said; We have sinned, because we have spoken against the Lord and thee: pray that he may take away these serpents from us. And Moses prayed for the people.

we have

Exodus 9:27,28 And Pharao sent and called Moses and Aaron, saying to them: I have sinned this time also, the Lord is just: I and my people, are wicked. . . .

1 Samuel 12:19 And all the people greatly feared the Lord and Samuel. And all the people said to Samuel: Pray for thy servants to the Lord thy God, that we may not die, for we have added to all our sins this evil, to ask for a king.

1 Samuel 15:24,30 And Saul said to Samuel: I have sinned, because I have transgressed the commandment of the Lord, and thy words, fearing the people, and obeying their voice. . . .

Psalm 78:34 When he slew them, then they sought him: and they returned, and came to him early in the morning.

Matthew 27:4 Saying: I have sinned in betraying innocent blood. But they said: What is that to us? Look thou to it.

pray

Exodus 8:8,28 But Pharao called Moses and Aaron, and said to them: Pray ye to the Lord to take away the frogs from me and from my people; and I will let the people go to sacrifice to the Lord. . . .

1 Kings 13:6 And the king said to the man of God: Entreat the face of the Lord thy God, and pray for me, that my hand may be restored to me. And the man of God besought the face of the Lord, and the king's hand was restored to him, and it became as it was before.

Jeremiah 37:3 And king Sedecias sent Juchal the son of Selemias, and Sophonias the son of Maasias the priest to Jeremiah the prophet, saying: Pray to the Lord our God for us.

Acts 8:24 Then Simon answering, said: Pray you for me to the Lord that none of these things which you have spoken may come upon me.

James 5:16 Confess therefore your sins one to another: and pray one for another, that you may be saved. For the continual prayer of a just man availeth much.

and Moses

Numbers 11:2 And when the people cried to Moses, Moses prayed to the Lord, and the fire was swallowed up.

Numbers 14:17-20 Let then the strength of the Lord be magnified, as thou hast sworn, saying: . . .

Genesis 20:7 Now therefore restore the man his wife, for he is a prophet: and he shall pray for thee, and thou shalt live: but if thou wilt not restore her, know that thou shalt surely die, thou and all that are thine.

Exodus 32:11,30 But Moses besought the Lord his God, saying: Why, O Lord, is thy indignation enkindled against thy people, whom thou hast brought out of the land of Egypt, with great power, and with a mighty hand? . . .

Deuteronomy 9:20,26-29 And he was exceeding angry against Aaron also, and would have destroyed him, and I prayed in like manner for him. . . .

1 Samuel 12:20-23 And Samuel said to the people: Fear not, you have done all this evil: but yet depart not from following the Lord, but serve the Lord with all your heart. . . .

Job 42:8,10 Take unto you therefore seven oxen and seven rams, and go to my servant Job, and offer for yourselves a holocaust, and my servant Job shall pray for you: his face I will accept, that folly be not imputed to you: for you have not spoken right things before me, as my servant Job hath. . . .

Psalm 106:23 And he said that he would destroy them: had not Moses his chosen stood before him in the breach: To turn away his wrath, lest he should destroy them.

Jeremiah 15:1 And the Lord said to me: If Moses and Samuel shall stand before me, my soul is not towards this people: cast them out from my sight, and let them go forth.

Romans 10:1 Brethren, the will of my heart, indeed and my prayer to God is for them unto salvation.