Question

Помогите пожалуйста!!!
5.4x - 2.6x = 10.84 - 2.3

Answer 1

5.4x - 2.6x = 10.84 - 2.3

(5х+0.4х)-(2х+0.6х)=(10+0.84)-(2+0.3)

(5х-2х)+(0.4х-0.6х)=(10-2)+(0.84-0.3)

3х-0.2х=8+0.54

2.8х=8.54

х=8.54|2.8

   854  |280

  -840   3.05

      1400

    -1400

              0

    x=3.05