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2x=11-5
2x=6
x=6:2
x=3
5z=3z+8
5z-3z=8
2z=8
z=8:2
z=4
3x-1=5x
-1=5x-3x
-1=2x
2x=-1
x=-1/2
y-3=g-y chyba źle napisane