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If 3x-9 =12then the value of x is:​

If 3x-9 =12then the value of x is:​
asked 103k views
3 votes
If 3x-9 =12then the value of x is:​

asked
User Acristu
by
8.8k points

2 Answers

1 vote

Answer:

x= 7

Explanation:


3x - 9 = 12 \\ collect \: like \: terms \\ 3x = 12 + 9 \\ 3x = 21 \\ divide \: both \: sides \: by \: 3


(3x)/(3) = (21)/(7) \\ x = 7

answered
User Furunomoe
by
7.9k points
1 vote

Answer:

Hey there!

3x-9=12

3x=21

x=7

Let me know if this helps :)

answered
User SaulTigh
by
8.2k points
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