A + B = 76 A - B = 38 A / B = ?

Question

A + B = 76
A - B = 38
A / B = ?

Answer 1

А=76-В
А=38+В
38+В=76-В
В+В=76-38
2В=38/2
В=19
А=76-19=57
А/В=57/19=3