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Sagot :

Tu rassemble ce qui va ensemble.

 

3x - 2 = 7

3x - 2 + 2 = 7 + 2

3x / 3 = 9/3

x = 3

3x-2=7

3x-2=7=2+7=9

x=9:3

x=3

3x3-2=7

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