Question

помогите решить 0.6(х+7)=0.5(х-3)+6.8

Answer 1

0,6х+4.2=0.5x-1.5+6.8

0.6x-0.5x=-1.5+6.8-4.2

0.1x=1.1

x= 11

Answer 2

0.6х + 4.2 = 0.5 х - 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