2x + 5 = x + 6
5 + 2x = x + 6
5 + 2x = 6 + x
5 + 2x = 6 + x
5 + 2x + -1x = 6 + x + -1x
2x + -1x = 1x
5 + 1x = 6 + x + -1x
x + -1x = 0
5 + 1x = 6 + 0
5 + 1x = 6
5 + -5 + 1x = 6 + -5
5 + -5 = 0
0 + 1x = 6 + -5
1x = 6 + -5
6 + -5 = 1
1x = 1
x = 1
succes!
