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Solve or check ' whether your answer is correct or not 3x -9=12​

Solve or check ' whether your answer is correct or not 3x -9=12​
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6 votes
Solve or check ' whether your answer is correct or not 3x -9=12​

User Lekeisha
by
7.9k points

2 Answers

6 votes
x = 7..................
User PsyGnosis
by
7.2k points
8 votes

Answer:

x = 7

Explanation:

3x - 9 = 12

3x = 12 + 9

3x = 21

x = 21 ÷ 3

x = 7

User Egil
by
8.7k points
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