Respuesta :

tagoddard

Answer:

x/3 -3= 18 (add three to both sides)

x/3= 21

x/3(*3) =21(*3) (multiply by 3 on each side to cancel out the division)

x= 63

63/3-3=18

21-3=18

18= 18 (checking answers)

Step-by-step explanation:

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