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Sagot :

AENEAS

On a 3x+y = -2 Donc y = -2-3x.

Or, 5x-2y = -7

Donc 5x-2(-2-3x) = -7

5x+4+6x = -7

11x+4=-7

11x = -11

x = -1

y = -2-3*(-1) = -2+3 = 1

FIN

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