Respuesta :

vegaalj

Answer: a = -5

Step-by-step explanation: Hope this helps

14amavanessa

Answer:

a = -3

Step-by-step explanation:

  1. Multiply both sides by 3
  2. Expand the brackets on the left
  3. Group like terms (put the a's on one side and the numbers on the other)
  4. Simplify both sides
  5. Divide both sides by 3

Hope this helps

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