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Best Answer

6x - 9 = 21

6x = 21 + 9

6x = 28

x = 28/6

Reduce to:

x = 14/3

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Wiki User

15y ago
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Wiki User

12y ago

if you mean 6x - 21 = 9

then

6x - 21 = 9

6x = 9 + 21

6x = 30

x = 5

This answer is:
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Q: What is 6x - 9 21?
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