Respuesta :
Answer:
x = -14
Step-by-step explanation:
- -3(x + 9) = 15
Divide each side by -3.
- -3(x + 9)/-3 = 15/-3
- x + 9 = -5
Subtract 9 from each side.
- x + 9 - 9 = -5 - 9
- x = -14
Answer:
x = -14
Step-by-step explanation:
-3(x + 9) = 15
- -3 × x + -3 × 9 = 15
- -3x + (-27) = 15
- +27 on both sides
- -3x = 42
- [tex] \frac{ - 3x}{ - 3} = \frac{42}{ - 3} [/tex]
- x = -14