Answered

aider moi svp je n'y arrive pas

Aider Moi Svp Je Ny Arrive Pas class=

Sagot :

LOULAKAR

bonjour

2x + 5 - 4x = -2x + 5

4x + 6 - 11 = 4x - 5

-7y + 9 - 4y = -11y + 9

4(t - 1) = 4t - 4

n(n + 1) = n^2 + n

3(2 + 4x) = 6 + 12x

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

2x + 3 - (7x + 4) = 2x + 3 - 7x - 4 = -5x - 1

8 - (3 - 2x) = 8 - 3 + 2x = 2x + 5

7 - (x + 2) - 5 = 7 - x - 2 - 5 = -x

FIN