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Sagot :

Bjr,

- 10 - 8y = 3 + 35 - 5y

- 8y + 5y = 38 + 10

- 3y = 48

y = -48/3 = -16.

Hello

- 2 * 5 - 2 * 4y = 3 + 5*7 - 5y

-10 - 8 y = 3 + 35 - 5 y

-8 y + 5y = 35 + 10 + 3

-3y = 48

y = 48/-3 = -16

bonne journée

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