Odpowiedź :
y/10 + 1/6 = 2y/3 - 2/5 / * 30
3y + 5 = 20y - 12
3y - 20y = -12 - 5
-17y = -17 / : (-17)
y = 1
[tex]\frac{y}{10}+\frac{1}{6}=\frac{2y}{3} - \frac{2}{5} /* 30\\3y + 5 = 20y - 12\\5 + 12 = 20y - 3y\\17y=17/ : 17\\y = 1[/tex]
y/10 + 1/6 = 2y/3 - 2/5 / * 30
3y + 5 = 20y - 12
3y - 20y = -12 - 5
-17y = -17 / : (-17)
y = 1
[tex]\frac{y}{10}+\frac{1}{6}=\frac{2y}{3} - \frac{2}{5} /* 30\\3y + 5 = 20y - 12\\5 + 12 = 20y - 3y\\17y=17/ : 17\\y = 1[/tex]