This is how I did it:
[tex]5(x + 6) + 11 = 25 - 3x[/tex] use distribution
[tex]5x + 30 + 11 = 25 - 3x[/tex] use addition
[tex]5x + 41 = 25 - 3x[/tex] use addition and subtraction
[tex]8x = -16[/tex] use division
[tex]x = -16/8[/tex]
[tex]x = -2[/tex]
So your answer is [tex]x = -2[/tex]