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
gurokarlsen

Answer:

x = -14

Step-by-step explanation:

-3(x + 9) = 15

  1. -3 × x + -3 × 9 = 15
  2. -3x + (-27) = 15
  3. +27 on both sides
  4. -3x = 42
  5. [tex] \frac{ - 3x}{ - 3} = \frac{42}{ - 3} [/tex]
  6. x = -14