Question

Pima is 12 years younger than Jerry the sum of their ages 76 what is jars age

Answer 1

х years  -  Pima
(x + 12) years  -  Jerry
76  -  the sum of their ages
? years  -  Pima and Jerry

1) x + (x + 12) = 76
    2x + 12 = 76
    2x = 76 - 12
    2x = 64
    x = 64 : 2
    x = 32 years - Pima
2) 32 + 12 = 44 years - Jerry.