Rozwiąż: 4*7y= 12y:6= (-8y)*1/2= 10a:(-2)=
4*7y = 28y
12y:6 = 2y
(-8y)*1/2 = 4y
10y:(-2) = (-5y)
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4*7y = 28y
12y:6 = 2y
(-8y)*1/2 = 4y
10y:(-2) = (-5y)