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Sagot :

VINS

bonsoir

T - shirt  =  x

a)  30 x

b )  x + 25

c)  10 ( x + 25 ) = 10 x + 250

30 x = 10 x + 250

30 x - 10 x = 250

20 x = 250

x =  12.5

t shirt  =   12.5 € et veste   37.50  

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