Question

A+B=100
A-B=50
A=?
B=?

Answer 1

Answer:

A + B =100

A - B =50

................... do addition

2A = 150

A = 75

B = 25

Answer 2

Step-by-step explanation:

$a + b = 100 \: \: \: \: (1)\\ \\ a - b = 50 \: \: \: \: \: (2)\\ \\ by \: elimination \: method \\ \\ 2a = 150 \\ \\ a = \frac{150}{2} \\ \\ a = 75 \\ \\ and \: put \: the \: value \: of \: a \: in \: equation \: (2) \\ a - b = 50 \\ \\ 75 - b = 50 \\ \\ - b = 50 - 75 \\ \\ b = 25$