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Sagot :

Bonsoir,

A=9+ (x - 2) = 9+x -2= 7+X

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

E = 2 + (5 - 3x) ​  = 2+5 -3x= 7-3x

MAUDMARINE

Bonsoir

Simplifier :

A = 9+ (x - 2)

A = 9 + x - 2

A = x + 7

C=3-(x + 1)

C = 3 - x - 1

C = - x + 2

E = 2 + (5 - 3x) ​

E = 2 + 5 - 3x

E = - 3x + 7.

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