Question

решите уравнение 2,4x+1,8(x-0,2)=2,16

Answer 1

2,4х+1,8х-0,36=2,16
4,2х=2,52
х=2,52/4,2=0,6

Answer 2

2,4х+1,8х-0,36=2,16
2,4х+1,8х=2,16+0,36
4,2х=2,52
х=0,6

Answer 3

спс