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a)x-2 =3 x=3+2 x=5
b)6-x=1 x=1-6 x=-5
c)x-4=3,5 x=3,5+4 x=7,5
d)x+6=2 x=2-6 x=-4
e)2+x= pierwiastek z 3 x= pierw. z 3-2 x= pierw. z 1 x=1
f)x+1=-1 x=-1-1 x=-2
g)x+1/4=1/2 x=1/2-1/4 x= 2/4-1/4 x=1/4
h)x+9=0 x=-9
chyba coś takiego