решите уравнение 0.6*(x+7)=0.5*(x-3)+6.8

Question

решите уравнение 0.6*(x+7)=0.5*(x-3)+6.8

Answer 1

0.6х+4.2=0.5х-1.5+6.8

0.6х+4.2=0.5х+5.3

0.6х-0.5х=5.3-4.2

0.1х=1.1

х=1.1:0.1

х=11

 

Answer 2

 0.6*(x+7)=0.5*(x-3)+6.8