You would have to use distributive property. it would come out to 3x-9=0 then you would add 9 to -9 and 0. It would then be 3x=9. You would then divide 9 and 3x by 3x. You will get x=3.
Answer: They signed it to end the Revolutionary War. They promised to recognise American independence and ceded territory east of the Mississippi River to the U.S
