Пошаговое объяснение:
1) 2 - c = 5c + 1
2 - 1 = 5c + c
1 = 6c
c = 1/6
2) -3d - 10 = 3d - 6
6 - 10 = 3d + 3d
-4 = 6d
d = -2/3
Пошаговое объяснение:
1) 2 - c = 5c + 1
2 - 1 = 5c + c
1 = 6c
c = 1/6
2) -3d - 10 = 3d - 6
6 - 10 = 3d + 3d
-4 = 6d
d = -2/3
-с-5с=1-2
-6с=-1
с=1/6
2)
-3d-3d=-6+10
-6d=4
d=-4/6
d=-2/3