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a)x/6-1/6=1 /*6
x-1=6
x=6+1
x=7
b)-2(2x-1)=x/3
-4x+2=x/3 /*3
-12x+6=x
-11x=-6 /÷(-11)
x=6/11
c)2/5(3-x)=-2 /*5
2(3-x)=-10
6-2x=-10
-2x=-16 /÷(-2)
x=8
zad 2
a)x/3+1=5/6+x/2 /*6
2x+6=5+3x
-x=-1 /÷(-1)
x=1
b)2x-3/4=1/2+x /*4
8x-3=2+4x
4x=5 /÷4
x=4/5
proszę;)