Bonjour,
Résoudre les équations:
x+6=3
x+6-6= 3
x= 3 -6
x= -3 S= { -3 }
x+5= 11
x+5-5= 11-5
x= 11-5
x= 6 S= { 6 }
x+2= -5
x-2+2= -5-2
x= -5-2
x= -7 S= { -7 }
x-3= 6
x-3+3= 6+3
x= 6+3
x= 9 S= { 9 }
x-2= -5
x-2+2= -5+2
x= -5+2
x-7= 15
x-7+7= 15+7
x= 15+7
x= 22 S= { 22 }
6x= 3
x= 3/6
x= 1/2 S= { 1/2 }
5x= 11
x= 11/5 S= { 11/5 }
7x= -5
x= -5/7 S= { -5/7 }
-7x= 15
x= -15/7 S= { -15/7 }
6x+4= 3
6x+4-4= 3-4
6x= 3-4
x= -1/6 S= { -1/6 }
5x-2= 11
5x-2+2= -11+2
5x= 11+2
x= 13/5 S= { 13/5 }
7x+4= -5
7x+4-4= -5-4
7x= -5-4
x= -9/7 S= { -9/7 }
-3x-4= 6
-3x-4+4= 6+4
-3x= 6+4
x= -10/3 S= { -10/3 }
-2x+5= -5
-2x+5-5= -5-5
-2x= -5-5
x= -10/-2
x= 5 S= { 5 }
-7x+2= 15
-7x= 15-2
x= -13/7 S= { -13/7 }
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Bonjour,
Résoudre les équations:
x+6=3
x+6-6= 3
x= 3 -6
x= -3 S= { -3 }
x+5= 11
x+5-5= 11-5
x= 11-5
x= 6 S= { 6 }
x+2= -5
x-2+2= -5-2
x= -5-2
x= -7 S= { -7 }
x-3= 6
x-3+3= 6+3
x= 6+3
x= 9 S= { 9 }
x-2= -5
x-2+2= -5+2
x= -5+2
x= -3 S= { -3 }
x-7= 15
x-7+7= 15+7
x= 15+7
x= 22 S= { 22 }
6x= 3
x= 3/6
x= 1/2 S= { 1/2 }
5x= 11
x= 11/5 S= { 11/5 }
7x= -5
x= -5/7 S= { -5/7 }
-7x= 15
x= -15/7 S= { -15/7 }
6x+4= 3
6x+4-4= 3-4
6x= 3-4
x= -1/6 S= { -1/6 }
5x-2= 11
5x-2+2= -11+2
5x= 11+2
x= 13/5 S= { 13/5 }
7x+4= -5
7x+4-4= -5-4
7x= -5-4
x= -9/7 S= { -9/7 }
-3x-4= 6
-3x-4+4= 6+4
-3x= 6+4
x= -10/3 S= { -10/3 }
-2x+5= -5
-2x+5-5= -5-5
-2x= -5-5
x= -10/-2
x= 5 S= { 5 }
-7x+2= 15
-7x= 15-2
x= -13/7 S= { -13/7 }