Question

you enter an elevator and go down 7 floors.you exit on the 10 floor.write an equation you can use to find the floor where you entered the elevtor

Answer 1

let the floor u got in be x
x-7=10
therefore x=17

Answer 2

let your floor be= x

then after going down 7 floors your floor would be= x-7

now it says you exit on floor=10

hence, x-7=10

or x = 10+7

=17