a)8x+1=5x-5
8x-5x=-5-1
3x=-6
x=-6:3
x=-2
b)-4x+10=10-2x
-4x+2x=0
-2x=0
x=0
c)-3x+5=-9x+4x
-3x+9x-4x=-5
2x=-5
x=-2,5
d)2(x+1)=6
2x+2=6
2x=6-2
2x=4
x=2
e)5(x-1)=2x+7
5x-5=2x+7
5x-2x=7+5
3x=12
x=4
f)3(x+2)=2(x+4)
3x+6=2x+8
3x-2x=8-6
x=2
g)6=4(x+1)-2(x+2)
6=4x+4-2x-4
6-4+4=4x-2x
6=2x
x=3
h)4=5(x+1)-6
4=5x+5-6
4+1=5x
5=5x
x=1
i)3(2x-5)=6(x-1)
6x-15=6x-6
6x-6x=-6+15
x=9 ( aici nu cred ca e bine )
Sper ca te-am ajutat