Sagot :
Réponse :
bonsoir
Explications étape par étape :
4x-(x+3)=5(x-1)
4x-x-3=5x-5
3x-5x=-5+3
-2x=-2
x=-2/-2
x=1
2(3x-5)=5x-1
6x-10=5x-1
6x-5x=-1+10
x=9
3(5x+4)-2(x-3)=3(x+1)-2
15x+15 -2x+6 =3x+3-2
13x+21 =3x+1
13x-3x=1-21
10x=-20
x=-20/10
x=-2
-2x=4(x+3)
-2x=4x+12
-2x-4x=12
-6x=12
x=-12/6
x=-2
Bonsoir,
4x -x-3 =5x -5
3x-3 = 5x-5
-3+5 = 5x -3x
2 = 2x
x = 2/2
x= 1
6x-10 = 5x-1
6x-5x = -1 +10
x = 9
15x +12 -2x + 6= 3x +3 -2
13x +18 = 3x +1
13x -3x = 1 -18
10x = -17
x= -17/10
-2x = 4x +12
- 12 = 4x +2x
-12 = 6x
x = -12/6
x= -2