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Sagot :

Bonsoir '

2x - 11 = 7x + 4

2x - 7x = 4 + 11

-5x = 15

x = -15/5

x= -3

6 - 3x = 15 + 4x

-3x - 4x = 15-6

-7x = 11

x = - 11/7

Bonne soiree.

Bonsoir

2X-11=7X+4

7X-2X=-4-11

5X=-15

X=-15/5

X=-3

6-3X=15+4X

4X+3X=-15+6

7X=-9

X=-9/7

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