Right in solving equations to find your age

Question

your brother is 1/3 your age your sister is six years older than your brother your sister is 10 years old

Answer 1

brother = B you = Y sister = S

1. your brother is 1/3 your age : B = 1/3 Y
2. your sister is 6 yrs older than ur brother ; your sister is 10: S = B + 6 AND S = 10 THEN B = 4

( 10 = B + 6 ----->. B = 10 -6 = 4 )

AND FINALLY : put it 4 in the first equation

B=1/3 Y AND B = 4 -------> 4 = 1/3 Y ---------> Y = 3*4 = 12

YOUR AGE = 12