Question

A number is decreased by seven. Then, the new number is multiplied by 3 to get an answer of -9.

What is the original number?

-30
30
4
-4

Answer 1

4

Explanation:

Answer 2

4

Explanation:

You call the number x. Then you do (x-7) * 3=-9.

3x-21=-9

3x=12

x=4