Question

3 x + 9 - x / 5 = 4 x + 6

Answer 1

3 x + 9 - x / 5 = 4 x + 6
- x/5 = 4x - 3x + 6 - 9
- x/5 = x - 3
- x = x(5) - 3(5)
- x = 5x - 15
15 = 5x + x 
15 = 6x
15/6 = x
5/2 = x 
2 1/2 = x