Respuesta :

altavistard

Answer:

         k + 9

x = --------------

              4

Step-by-step explanation:

To solve 4x - 9 = k for x, start by adding 9 to both sides.  You'll get:

4x = k + 9

Now isolate x by dividing both sides by 4:

         k + 9

x = --------------

              4

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