Sagot :
Réponse:
4(-2x+5)= - 6(3x-5)
-8x+20= - 18x+30
-8x+18x= 30-20
10x=10
x=1
x-12= - 2(5+x)
x-12 = - 10-2x
x+2x=-10+12
3x= 2
x=2/3
4(-x+1) = 3+2x
-4x+4 =3+2x
-4x-2x=3-4
-6x=-1
x=1/6
Réponse:
4(-2x+5)=-6(3x-5)
-8x+20=-18x+30
-8x+18x=30-20
10x=10
x=1
x-12=-2(5+x)
x-12=-10-2x
x+2x=12-10
3x=2
[tex]x = \frac{2}{3} [/tex]
4(-x+1)=3+2x
-4x+4=3+2x
-4x-2x=3-4
-6x=-1
[tex]x = \frac{1}{6} [/tex]