miana924 miana924

19-01-2021
Mathematics

contestada

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

Respuesta :

banana068313 banana068313

19-01-2021

Answer:

x = 7

Step-by-step explanation:

3x - 9 = 12

3x = 12 + 9

3x = 21

x = 21 ÷ 3

x = 7

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mirkkdke mirkkdke

19-01-2021

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

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