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5-4+2x=3
2x=3-5+4
2x=2 /:2
x=1
b) 1,5(x+2)=-0,5x+1
1,5x+3=-0,5x+1
1,5x+0,5x=1-3
2x=-2 /:2
x=-1
c) -2x+1=-3x-2
-2x+3x=-2-1
x=-3
d) 3(x+1)+2=x-3
3x+3+2=x-3
3x-x=-3-3-2
2x=-8 /:2
x=-4
e) x-3 / 5 = 1 /*5
x-3=5
x=5+3
x=8
f) 4x-2=x+7
4x-x=7+2
3x=9 /:3
x=3
g) 2x-3(x+1)=3-2x
2x-3x-3=3-2x
2x-3x+2x=3+3
x=6
h) -x+3(x+2)=x-3
-x+3x+6=x-3
-x+3x-x=-3-6
x=-9
i) 6x-(3x-2)-4=0
6x-3x+2-4=0
6x-3x=-2+4
3x=2 /:3
x=2/3
j) x+3 / 3 = 2 /*3
x+3=6
x=6-3
x=3