Click on the buttons in front of the correct answers to the questions.

1. In the equation

if the number behind the white door is 3, the number behind the red door is

2 -3 3

2. Which pair of numbers would work with this equation?

(2, 5) (1, 5) (3, 2)

3. Which pair of numbers would work with this equation:

(1, 1) (3, -1) (3, 1)

Equations 4

Equations 5