Website Statistics x22x1 3x2 x4

Répondre :

(x+2)-(2x-1)-(3x-2)-(x-4)

x+2-2x+1 -3x +2 -x +4

x -2x -3x -x +2 +1 +2 +4

-5x +9

(x + 2) - (2x - 1) - (3x - 2) - (x - 4)

x + 2 - 2x + 1 - 3x + 2 - x + 4

- 5x + 9

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