2х-4+3=0.4х+3.2
2х-0.4х=4-3+3.2
1.6х=4.2
х=4.2:1.6
х=2.625
ответ:х=2.625
2(х-2)+3=0.4(х+8)
ответ:2.625
2х-4+3=0.4х+3.2
2х-0.4х=4-3+3.2
1.6х=4.2
х=4.2:1.6
х=2.625
ответ:х=2.625
2(х-2)+3=0.4(х+8)
2х-4+3=0.4х+3.2
1.6х=4.2
х=4.2:1.6
х=2.625
ответ:2.625