Question

(0,069х-0,05х)+х

при х=27

Answer 1

(0,069х-0,05х)+х,  при х=27

упрощаем:

х(0,069-0,05)+х

 0,019х+х

х(0,019+1)=1,019х=1,019*27= 27,513.

Answer 2

( 0 ,069 х - 0,05х) +х = 0,119х + х = 1,019х = 1,019 * 27 = 27,513