Question

10,5-(2x-3)=4,2 помогите решить!

Answer 1

10.5-2х+3-4,2=0

9,3-2х=0

-2х=-9,3

х=4,65

Answer 2

10.5-(2х-3)=4.2

10.5-2х+3=4.2

-2х=4.2-10.5-3

-2х=-9.3

х=-9.3:(-2)

х=4.65

ОТВЕТ: 4.65