Question

10:(×—1)=5. 15:(×+2)—1=2. 10—16:×=6

Answer 1

1)10/(X - 1) = 5.
10 = 5X - 5
5X = 15
X = 3
2)15/(X + 2) - 1 = 2
15/(X + 2) = 3
15 = 3X + 6
3X = 9
X = 3
3)10 - 16/X = 6
4 = 16/X
X = 4.