Question

2x+3x=32
X=6.4
2x=12.8
3x=19.2
?????

Answer 1

Ответ:

2х=12.8

x=12.8/2

x=6.4

3x=19.2

x=19.2/3

x=6.4

5x=32

x=32/5

x=6.4

Answer 2

2х+3х=32; 5х=32; х=32/5=6 2/5=6,4;

2х=12,8; х=12,8÷2; х=6,4;

3х=19,2; х=19,2÷3; х=6,4.