Question

A+B=3 AND B+C=2 then A+C=?

Answer 1

$a + b = 3 ...... (1)\\ a = 3 - b \\ \ b + c = 2 ..... (2) \\ b = 2 - c \\ from(1) - - - a = 3 - 2 - c \\ now...a + c = 3 - 2 - c + c \\ = 1...(ans.)$