Question

1)1,38х+5,744=0,18х+5,78​

Answer 1

1,38х+5,744=0,18х+5,78

1,38х-0.18х=5,78-5,744

1,2х=0,036

х=0,3

Ответ: х=0,3

Answer 2

1,38x-0,18x=5,78-5,744
1,2x=0,036
x= 0,036/1,2
x=0,03