Respuesta :

Answer:

x= 11

Step-by-step explanation:

         or,   9x-18=81

         or,   9x=81+18

         or,   9x=99

         or,   x=99/9

         or,   x=11

Answer:

x=11

Step-by-step explanation:

9x−18=81

Step 1: Add 18 to both sides.

9x−18+18=81+18

9x=99

Step 2: Divide both sides by 9.

9x/9 = 99/9

 

Answer: x=11

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