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2=4x +12 |-12
4x= - 10 |:4
x = -2 i 1/2
b) 1/3x + 1 = -x + 2 | *3
x+3 = -3x +6 | + 3x
4x +3= 6 | -3
4x = 3 | :4
x= 3/4
c)0,7x-2=0,9-0,1|0,7x
-2=0,2x-0,1|+0,1
-1,9=0,2x|*10
-19=2x|:2
-9,5=x
x=-9,5
d)-x+3=-(3x-2)
-x+3=-3x+2|+3x
2x+3=2|-3
2x=-1|:2
x=-0,5
e)0,1(2x-3)=-0,6x+1
0,2x-0,3=-0,6x+1|+0,6x
0,8x-0,3=1|+0,3
0,8x=1,3|*10
8x=13|:8
x=1 5/8
-2x+2+5x=7x+12
3x+2=7x+12|-3x
2=4x+12|-12
-10=4x|:4
-2,5=x
x=-2,5
b)1/3x+1=-x+2|+x
1 1/3x+1=2|-1
1 1/3x=1|:1 1/3
x=3/4
c)0,7x-2=0,9-0,1|-0,7x
-2=0,2x-0,1|+0,1
-1,9=0,2x|*10
-19=2x|:2
-9,5=x
x=-9,5
d)-x+3=-(3x-2)
-x+3=-3x+2|+3x
2x+3=2|-3
2x=-1|:2
x=-0,5
e)0,1(2x-3)=-0,6x+1
0,2x-0,3=-0,6x+1|+0,6x
0,8x-0,3=1|+0,3
0,8x=1,3|*10
8x=13|:8
x=1 5/8