a)1\5*x=1\5x
b) 3\4(x+y)=3\4x+3\4y
c) 2\y lub 1\2y
d) x-1\3x=2\3x
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a)1\5*x=1\5x
b) 3\4(x+y)=3\4x+3\4y
c) 2\y lub 1\2y
d) x-1\3x=2\3x