Question

the age of brother is 5 more than the age of his sister

Answer 1

Hey dear.... I think this can be ur answer!!

Let age of bro be x and that of sis be y
ATQ,
x = 5+y

Answer 2

Hey frnd here is ur solution

let the age of sister is x

&age of brother=y

since the age of brother is 5 more than sister

hence expression becomes

y = x + 5. ....

.