Bonjour,
Résoudre:
3-2x= 0 et 2x-1= 0
-2x= -3 2x= -1
x= 3/2 x= -1/2
S= { ] -1/2 ; 3/2 [
(4x-1)= (2x+1)
(4x-1)-(2x+1)= 0
4x-1-2x-1= 0
2x-2= 0
x= 2/2
x= 1
S= { 1 }
3x-1= 4 3x-1= -4
3x= 4+1 3x= - 4+1
x= 5/3 x= -3/3= -1
S= { 5/3 ; -1 }
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Bonjour,
Résoudre:
3-2x= 0 et 2x-1= 0
-2x= -3 2x= -1
x= 3/2 x= -1/2
S= { ] -1/2 ; 3/2 [
(4x-1)= (2x+1)
(4x-1)-(2x+1)= 0
4x-1-2x-1= 0
2x-2= 0
x= 2/2
x= 1
S= { 1 }
3x-1= 4 3x-1= -4
3x= 4+1 3x= - 4+1
x= 5/3 x= -3/3= -1
S= { 5/3 ; -1 }