3 ( 2x - 7 ) = 4x + 2,4

Question

3 ( 2x - 7 ) = 4x + 2,4

Answer 1

6x-21=4x+2.4

2x=23.4

X=11.7

Answer 2

Ответ:

3(2х-7)=4х+2.4

6х-21=4х+2.4

6х-4х=2.4+21

2х=23.4

х=23.4/2

х=11.7