Question

Enter a number in the box to make an expression equal to 7 x 9.
7 x 9 = 7 x 5 + 7 x ?

Answer 1

4

Explanation:

7×9=7×5+7×(4)

63=35+28

63=63

Answer 2

7 x 9 +7 x 5 + 7 x = 4