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Sagot :

3(4-3x)=7x

12 - 9x = 7x

12 = 7x + 9x

12 = 16x

x = 12/16

x = 0.75

Bonsoir

3(4-3X)=7x

12-9X=7X

12=7X+9X

12=16X

X=12/16=3/4

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