Question

помогите решить уравнение 65.4:(x-1.9)=21.8

Answer 1

21.8*(х-1.9)=65.4
21.8х-21.8*1.9=65.4
21.8х-41.42=65.4
21.8х=65.4-41.42
21.8х=23.98
х=1.1