Rozwiąż równania
a) 1/3x-2=x+2
b) 1-6/7x=4/7
c) 6(1/4x-2)=18
d) x/6-1/6=1
e) -2(2x-1)=x/3
f) 2/5(3-x)=-2
g) 3/4(2-3x)=9-x
h) 1/5(x-3)=9-x
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a]1/3x-2=x+2 /*3
x-6=3x+6
x-3x=6+6
-2x=12 /:-2
x= -6
b]1-6/7x=4/7
7-6x=4
-6x=4-7
-6x= -3 /:6
x=3/6=1/2
c]6[1/4x-2]=18
6/4x-12=18 /*4
6x-48=72
6x=72+48
6x=120 //;6
x=20
d]x/6-1/6=1 /*6
x-1=6
x=6+1
x=7
e]-2[2x-1]=x/3
-4x+2=x/3 /*3
-12x+6=x
-12x-x= -6
-13x= -6 /:-13
x=6/13
f]2/5[3-x]= -2
6/5-2/5x= -2 /*5
6-2x= -10
-2x=-10-6
-2x=-16 /:-2
x=8
g]3/4[2-3x]=9-x
6/4-9/4x=9-x /*4
6-9x=36-4x
-9x+4x=36-6
-5x=30 /:-5
x= -6
h]1/5[x-3]=9-x
1/5x-3/5=9-x /*5
1x-3=45-5x
1x+5x=45+3
6x=48 /:6
x=8
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