1. Rozwiąż równania:
a) 1/3x+2=x
b) -7(2x+1)=4
c) 3-x/2 + x+2/2= ½
d ¼x - x-1/4= ¼
a) 2 = x-x
2= x /*
x= =3
b) -14x-7=4
-14x=4+7
-14x=11 /-14
x=
c)- +x = -3-1
=-3 /*2
x= -7
d)-x = /*-
x =-
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a) 2 = x-x
2= x /*
x= =3
b) -14x-7=4
-14x=4+7
-14x=11 /-14
x=
c)- +x = -3-1
=-3 /*2
x= -7
d)-x = /*-
x =-