What is the solution to this equation?

x - 15 = - 6

1. x=9

2. x = - 9

3. x = - 21

4. x=21

Option 1 - X = 9

Step-by-step explanation:

The solution to this equation, x - 15 = - 6

Solving the following,

Step 1: x - 15 = - 6

Replace all the numerical values in one side and x digits on the other side

Step 2: x = - 6+15

Step 3: x = 9

Therefore, the value of x is 9.