Question

решите уравнение 1,4÷(0,6х-0.16)=5,5

Answer 1

0.6x-0.16=1.4/5.5
0.6x-0.16=14/55
0.6x=14/55+4/25
0.6x=70/275+44/275
0.6x=114/275
x=114/275*5/3
x=570/825=38/55