A + B = 76..........(1)
A - B = 38.........(2)
Then subract equation (2) to eguation (1)
A + B = 76
-A + B = - 38 ( Change signs of the second equation i.e equation (2)
2B = 38 (Divide both sides by 2)
b= 19
then substitute b = 19 in equation (1)
A + B = 76
A + 19= 76
A = 76 - 19
A = 57
THEN PUT A AND B INTO I.E GIVEN EGUATION
A / B = ?
57 / 19 = 3