1.5(а+4)-4.6(5-а)=1.5а+6-23+4.6а=6.1а-17
6.1×(-0.3)-17=-1.83-17=-18.83
1.5(а+4)-4.6(5-а)=1.5a+6-23+4.6a=6.1a-17
6.1a-17=6.1*(-0.3)-17=-18.83
1.5(а+4)-4.6(5-а)=1.5а+6-23+4.6а=6.1а-17
6.1×(-0.3)-17=-1.83-17=-18.83
1.5(а+4)-4.6(5-а)=1.5a+6-23+4.6a=6.1a-17
6.1a-17=6.1*(-0.3)-17=-18.83