Question

Select the correct answer.

The product of two numbers is 21. If the first number is-3, which equation represents this situation and what is the second number?
OA The equation that represents this situation is x-3=21. The second number is 24.
OB. The equation that represents this situation is 3x=21. The second number is 7.
OC. The equation that represents this situation is-3x=21. The second number is-7.
OD. The equation that represents this situation is -3+x=21. The second number is 18.

Answer 1

`-3x=21 , -7`

Explanation:

`-3x=21\\x=(21)/(-3) =-7`

Answer 2

Option B is correct

Why

3x=21

3(7) =21

21=21

Explanation: