Kirill is 14 less centimeters in height than his brother. Together their heights equal 112 centimeters. How tall is Kirill in centimeters?
Let's be accurate as possible and think first.
49
Let B = brother's height in cm.

Kirill = B - 14.

2B - 14 = 112 cm.

2B = 126.

B = 63 cm.

Kirill = 63 - 14 = 49 cm.

Kirill is 49 centimeters tall.

.

The answer is 49