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1/3x-x=2+2
-2/3x=4 |*(-3/2)
x=-6
b)1-6/7x=4/7
-6/7x=4/7-1
-6/7x=-3/7 |*(-7/6)
x=1/2
c) 6(1/4x-2)=18
3/2x-12=18
3/2x=18+12
3/2x=30 |*2/3
x=20
d) x/6-1/6+1
coś tu brakuje
e)-2(2x-1)=x/3
-4x+2=x/3 |*3
-12x+24=x
-12x-x=-24
-13x=-24 |:(-13)
x=24/13
x=1 11/13
f)2/5(3-x)=-2
6/5-2/5x=-2 |*5
6-2x=-2
-2x=-2-6
-2x=-8 |:(-2)
x=4
g)3/4(2-3x)=-6
3/2-9/4x=-6 |*4
6-9x=-6
-9x=-6-6
-9x=-12 |:(-9)
x=12/9
x=1 1/3
h)1/5(x-3)=9-x
1/5x-3/5=9-x
1/5x+x=9+3/5 |*5
x+5x=45+3
6x=48 |:6
x=8
i)0,6+x/2=x+1 |*2
1,2+X=2X+2
x-2x=2-1,2
-x=0,8 |*(-1)
x=-0,8