Respuesta :
Answer: x = -3
Step-by-step explanation:
Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :
x-6-(-9)=0
Solving a Single Variable Equation :
1.1 Solve : x+3 = 0
Subtract 3 from both sides of the equation :
x = -3
