Respuesta :

Bob is x yrs old
Sister is x+6 yrs old

X+X+6=32
2X+6=32
2X=32-6
2X=26
2X/2=26/2
X=13

Bob is 13 yrs old

Sister is 13+6 yrs
= 19 yrs

13yrs+19yrs = 32 yrs

Now its 100% accurate