A.) 45

B.) 55

C.) 65

D.) 69

E.) 99

77 = x + 22 {combined like terms on left side}

x = 55 {subtracted 22 from each side}

**B.) 55**

**Check**62 + 15 = 55 + 22 {substituted 55 in for x}

77 = 77 {added}

*a true statement, therefore 55 is a solution to the equation*

*- Algebra House*