1) 12; 2) -5; 3) -8
Пошаговое объяснение:
1)
2)
3)
1) = 7x/12 - x/6 = 5
5x/12 = 5
5x = 60
x = 12
2) = -2x/15 = x/15 + 1
-x/15 = 1
x = -1/5
3) = 5x/24 = x/12 - 1
x/8 = -1
x = -1/8
1) 12; 2) -5; 3) -8
Пошаговое объяснение:
1)
2)
3)
1) = 7x/12 - x/6 = 5
5x/12 = 5
5x = 60
x = 12
2) = -2x/15 = x/15 + 1
-x/15 = 1
x = -1/5
3) = 5x/24 = x/12 - 1
x/8 = -1
x = -1/8