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archchuna
@archchuna
June 2021
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resoudre les equation suivantes
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dedele437
Verified answer
A)
donc x=0
c)
donc x = -5
d)
1 votes
Thanks 1
nonoduchablais
Verified answer
Salut :)
a) 2(x + 3) = 3(x + 2)
2x + 6 = 3x + 6
6 = x + 6
x = 6 - 6
x = 0
b) 3 + 2(x - 1) = 3x + 6
3 + 2x - 2 = 3x + 6
2x + 1 = 3x + 6
1 = x + 6
x = - 5
c) 5x - 2(3x + 1) = 3(x - 7)
5x - 6x - 2 = 3x - 21
-x - 2 = 3x - 21
-2 = 4x - 21
19 = 4x
x = 19/4
J'espère t'avoir aidé(e) ! :)
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Lista de comentários
Verified answer
A)c)
d)
Verified answer
Salut :)a) 2(x + 3) = 3(x + 2)
2x + 6 = 3x + 6
6 = x + 6
x = 6 - 6
x = 0
b) 3 + 2(x - 1) = 3x + 6
3 + 2x - 2 = 3x + 6
2x + 1 = 3x + 6
1 = x + 6
x = - 5
c) 5x - 2(3x + 1) = 3(x - 7)
5x - 6x - 2 = 3x - 21
-x - 2 = 3x - 21
-2 = 4x - 21
19 = 4x
x = 19/4
J'espère t'avoir aidé(e) ! :)