Пошаговое объяснение:
1) -7/8 = х/24;
х=-7*24/8= -7*3=-21;
***
2) 5/-9 = 10/х;
х=-9*10/5=-9*2=-18;
3) -5/1.2 = х/-6;
x=-5*(-6)/1.2=30/1.2=25;
4) -3.5/4=x/20;
x=-3.5*20/4=-70/4= -17.5;
5) -1.9/3=x/15;
x=-1.9*15/3=-28.5/3= -9.5.
6) 4.1/(-7)=20.5/(-y);
-y=-7*20.5/4.1=-143.5/4.1=-35;
-y=-35;
y=35.
Пошаговое объяснение:
1) -7/8 = х/24;
х=-7*24/8= -7*3=-21;
***
2) 5/-9 = 10/х;
х=-9*10/5=-9*2=-18;
***
3) -5/1.2 = х/-6;
x=-5*(-6)/1.2=30/1.2=25;
***
4) -3.5/4=x/20;
x=-3.5*20/4=-70/4= -17.5;
***
5) -1.9/3=x/15;
x=-1.9*15/3=-28.5/3= -9.5.
***
6) 4.1/(-7)=20.5/(-y);
-y=-7*20.5/4.1=-143.5/4.1=-35;
-y=-35;
y=35.