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baderskhalil
@baderskhalil
June 2021
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SEULEMENT LE 15 ! ^^
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maudmarine
Verified answer
15)
a) 4 - (- x + y) =
4 + x - y
b) - 3a - (b - 5) =
- 3a - b + 5
c) x - (- 4 + y - z) =
x + 4 - y + z
d) - 7 - (- a² - 2a) = - 7 + a² + 2a =
a² + 2a - 7
1 votes
Thanks 3
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baderskhalil
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Seulement le 34 et si vous voulez 20 autre point reguardez en bas y a une question sur le 33 ! ^^
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Seulement le 33 et je ferai une autre question pour le 34 sur 20 point aussi svp aidez moi :)
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N 17 seulement ! ^^ j'ai un dm le lundi et j'ai besoin de votre aide :p
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Verified answer
15)a) 4 - (- x + y) = 4 + x - y
b) - 3a - (b - 5) = - 3a - b + 5
c) x - (- 4 + y - z) = x + 4 - y + z
d) - 7 - (- a² - 2a) = - 7 + a² + 2a = a² + 2a - 7