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Sagot :

INEQUATION

Bonjour,

Résoudre les inéquations:

a) −5t+6 < −8t−7

-5t+8t < -7-6

3t < -13

t < -13

S= ] -∞ ; -13 [

b) 4(2x−1)−3(x+5)≥−1

8x-4-3x-15 ≥ -1

5x-19 ≥ -1

5x ≥ -1+19

x ≥ 18/5

S= [ 18/5 ; + ∞ [

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