Question

Use Morgan's strategy of working backwards to find the original number.

The table below has been started for you.

Answer 1

The answer to the question is 12

Answer 2

Answer: 12
Work the problem in reverse:
9 - (-6) = 15
15 x 4 = 60
60/5 = 12

To make sure it’s correct, start with the number 12:
12 x 5 = 60
60/4 = 15
15 + (-6) = 9