Six less than a number is nine. Find the number.

Nine more than four times a number is the same as one less than twice the number. find the number?

There is an entrance to the computer room at point e which lies on ab and is 5 feet from point a. plot point e on the coordinate plane. find the distance from the entrance at point e to the printer at point e

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15