Question

0.3x+2(0.2x-0.3) =0.8-0.7(x-2)​

Answer 1

Ответ:

1)0.2х+0.3=0.5х

2)0.3х+2=0.5х

3)0.8-0.7=0.1

Answer 2

0.3х+2(0.2х-0.3)=0.8-0.7(х-2)
0.3х+0.4х-0.6=0.8-0.7х+1.4
0.7х+0.7х=2.8
х=2.8/1.4=2