Question

0.6x-5(0.3x+0.2)=0.5(x-1)-0.8

Answer 1

0.6х-5×0.3х+5×0.2=0,5х-0,5-0,8; 0,6х-1,5х-1=0,5х-0,5-0,8; 0,6х-1,5х-1=0,5х-0,5-0,8; -1,4х=-0,3; 14х=3; х=3/14. Ответ: 3/14.