Respuesta :

renknee

Answer:

a = 7

Step-by-step explanation:

» Solution

Step 1: Add 2 to both sides.

  • [tex]-3a-2+2=-23+2[/tex]
  • [tex]-3a=-21[/tex]

Step 2: Divide both sides by -3.

  • [tex]-3a/-3=-21/-3[/tex]
  • [tex]a=7[/tex]

Therefore, a = 7.