Respuesta :

Space

Answer:

k = 4

Step-by-step explanation:

Step 1: Write equation

-3k - 9 = -21

Step 2: Solve for k

  1. Add 9 to both sides: -3k = -12
  2. Divide both sides by -3: k = 4

Step 3: Check

Plug in k to verify it's a solution.

-3(4) - 9 = -21

-12 - 9 = -21

-21 = -21

Curtiszarriah0

Answer:

k=4

Step-by-step explanation:

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