Réponse :
Bonjour
simplifier
9+(x-2)=
9+x-2=
x+7
7-(3-2x)=
7-3+2x=
2x+4
3-(x+1)=
3-x-1
-x+2
3-(-x+1)=
3+x-1=
x+2
2+(5-3x)=
2+5-3x=
-3x+7
5-(-1-x)=
5+1+x=
x+6
Explications étape par étape :
bonjour;
A=x+9-2 = x+7
B= 7-3+2x= 4+2x
C= 3-x-1 = 2-x
D = 3+x -1 = 2+x
E = 2+5-3x= 7-3x
F = 5+1+x = 6+x
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Verified answer
Réponse :
Bonjour
simplifier
9+(x-2)=
9+x-2=
x+7
7-(3-2x)=
7-3+2x=
2x+4
3-(x+1)=
3-x-1
-x+2
3-(-x+1)=
3+x-1=
x+2
2+(5-3x)=
2+5-3x=
-3x+7
5-(-1-x)=
5+1+x=
x+6
Explications étape par étape :
bonjour;
A=x+9-2 = x+7
B= 7-3+2x= 4+2x
C= 3-x-1 = 2-x
D = 3+x -1 = 2+x
E = 2+5-3x= 7-3x
F = 5+1+x = 6+x