Question

решите уравнение 7.5у+1.6у=11.83

Answer 1

7,5y+1.6y=11.83
9.1y=11.83
y=11.83/9.1
y=1.3

Answer 2

7,5y+1,6y=11,83
7,5y-1,6y=11,83
y=5,9