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Sagot :

VINS

bonjour

2 ( 2 x  - 1 + 7 - x ) = 4 x - 2 + 14 - 2 x = 2 x + 12

P du rectangle  = 2 x + 12

4 ( x + 0.5 ) = 4 x + 2

P carré  = 4 x + 2

2 x + 12 = 4 x + 2

2 x - 4 x = 2 - 12

- 2 x = - 10

x = 5

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