Question

0,6(х+7)=0,5(х-3)+6,8

Answer 1

0.6х+4.2=0.5х-1.5+6.8
0.6х-0.5x=-1.5+6.8-0.6
0.1x=4.7
x=4.7:0.1
x=47

Answer 2

неправильно

Answer 3

0.6х+4.2=0.5х-1.5+6.8
0.6х-0.5х=-1.5+6.8-4.2
0.1х=1.1
х=1.1:0.1
х=11