Question

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

Answer 1

Answer:

let us supposed we enterd at floor x

then according to question

x-7=10 is the equation to find the floor no where we enternd

then we will find 17

it means we enterd at 17 floor and down word 7 floor and exit at 10