0.6 (х+7)=0.5(х-3)+6.8

Question

0.6 (х+7)=0.5(х-3)+6.8

Answer 1

0,6x+4.2=0.5x-1.5+6.8

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

0.1x= -5.7+6.8

0.1x=1.1 (умножаем все на 10)

x=11