Question

решите уравнение 0.8y-0.5y=0.54

Answer 1

0,3у=0,54;
y=0,54/0,3;
y=1,8

Answer 2

0.8у-0.5=0.54
(0.8-0.5)у=0.54
0.3у=0.54
у=0.54/0.3
у=1.8