5(0.16х+0.33)-(3-х)=0

5(0,16x+0.33)-3+x=0 0.8x+1.65-3+x=0 1.8x-1.35=0 1.8x=1.35 x=0.75

0,8х+1,65-3+х=0 1,8х=3-1,65 1,8х=1,35 х=1,35/1,8 х=0,75 Проверка 5(0,16*0,75+0,33)-(3-0,75)=5*0,45-2,25=2,25-2,25=0