1/3(y-1)=5y

1/3(y-1)=5y 1/3y-1/3=5y 1/3y-5y=1/3 |*3 y-15y=1 -14y=1 y=-1/14

1/3(y-1)=5y 1/3y -1/3 = 5y 1/3y - 5y = 1/3 1/3y - 15/3y = 1/3 -14/3y = 1/3 /: (-14/3) y = 1/3 : (-14/3) y = 1/3 x (-3/14) y = - 3/42 y = -1/14

1/3(y-1)=5y /*3 y-1=15y 14y=-1 y=-1/14