Carlita hiked 2.1 miles on Chipmunk Trail and Friday.On Saturday, she hiked the Squirrel Trail. If she kiked 3.7 miles in all,use the equation 2.1+ x=3.7 to find how many miles she hiked on the Squirrel Trail

1.What operation do you do to both sides of the equation 21+x =37 to get x alone?

2. What operation do you do to both sides of the equation 2.1+x=3.7 to get x alone?