Solution to an equation {ACT}

For what value of x is  62 + 15 = x + 22  true?
A.)  45
B.)  55
C.)  65
D.)  69
E.)  99

62 + 15 = x + 22
77 = x + 22   {added 62 and 15}
x = 55   {subtracted 22 from each side}

B.)

- Algebra House