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Sagot :

TOMRH

Bonjour,

[tex]2/3 < x < 0.75[/tex]

[tex]2/3 + 1 < x + 1 < 0.75 +1[/tex]

[tex]5/3< x+1 < 1,75[/tex] ✅

[tex]2/3-1 < x - 1 < 0.75 -1[/tex]

[tex]-1/3 < x-1 < -0.25[/tex] ✅

[tex]3\times 2/3 < 3x < 3 \times 0.75[/tex]

[tex]2< 3x <2.25[/tex] ✅

[tex]6\times 2/3 < 6x < 6\times 0.75[/tex]

[tex]4 < 6x < 4.5[/tex]

[tex]2 - 5 < 6x -5 < 2.25 -5[/tex]

[tex]-3 < 6x -5 < -2.75[/tex] ✅

En espérant t'avoir aidé, bonne continuation ;)

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