9. The Ammonites marched out and lined up in battle formation at the entrance of the city while the kings who had come were in the field by themselves.
10. When Joab saw that there was a battle line in front of him and another behind him, he chose some men out of all the elite troops of Israel and lined up in battle formation to engage the Arameans.
11. He placed the rest of the forces under the command of his brother Abishai, and they lined up in battle formation to engage the Ammonites.
12. “If the Arameans are too strong for me,” Joab said, “then you’ll be my help. However, if the Ammonites are too strong for you, I’ll help you.
13. Be strong! We must prove ourselves strong for our people and for the cities of our God. May the Lord’s will be done.”
14. Joab and the people with him approached the Arameans for battle, and they fled before him.
15. When the Ammonites saw that the Arameans had fled, they likewise fled before Joab’s brother Abishai and entered the city. Then Joab went to Jerusalem.
16. When the Arameans realized that they had been defeated by Israel, they sent messengers to summon the Arameans who were across the Euphrates. They were led by Shophach, the commander of Hadadezer’s army.
17. When this was reported to David, he gathered all Israel and crossed the Jordan. He came up to the Arameans and lined up in battle formation against them. When David lined up to engage them in battle, they fought against him.
18. But the Arameans fled before Israel, and David killed 7,000 of their charioteers and 40,000 foot soldiers. He also killed Shophach, commander of the army.
19. When Hadadezer’s subjects saw that they had been defeated by Israel, they made peace with David and became his subjects. After this, the Arameans were never willing to help the Ammonites again.