Equations 6 Quiz - More Than One Mystery Door

1. In the equation

+

= 5

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?

+

= 5

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

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

-

= 2

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