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

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asked Jan 27, 2022 106k views

6 votes

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

Mathematics
high-school

Lekeisha asked

by Lekeisha

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2 Answers

6 votes

x = 7..................

PsyGnosis answered Jan 30, 2022

by PsyGnosis

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8 votes

Answer:

x = 7

Explanation:

3x - 9 = 12

3x = 12 + 9

3x = 21

x = 21 ÷ 3

x = 7

Egil answered Jan 31, 2022

by Egil

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