dymonbush16 dymonbush16

08-07-2016
Mathematics

Answered

3x-9=12 is the answer 9,7,1, or 63 ?

Verified Answer :

texaschic101 texaschic101

08-07-2016

3x - 9 = 12....add 9 to both sides
3x = 12 + 9
3x = 21
x = 21/3
x = 7

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RASEA23 RASEA23

08-07-2016

Hey there!
Great question=)
3x-9=12
+9=+9
3x=21
x=7

I hope this helps:)

Answer Link

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