Question

Equação: 10-(x+2)=9+(x-5)

Answer 1

10 -x - 2 = 9 + x - 5
 -x + 8 =  x + 4
 8 - 4 = x + x
 4 = 2x
2x = 4
 x = 4/2
 x = 2

Answer 2

10 - x - 2 = 9 + x - 5
8 - x = 9 - 5 + x
8 - x = 4 + x
8 - 4 = x + x
4 = 2x
2x = 4
x = 4/2
x = 2