Question

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

Answer 1

0,6(x+7)=0.5(x-3)+6.8

0.6x+4.2= 0.5x-1.5+6.8

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

0.1x=1.1

x= 1.1/0.1

x=11   .

Answer: x=11    .