You can put this solution on YOUR website! let a = Anna's present age
let b = brother's age
:
Write an equation for each statement
:
Anna age is five year more than twice of her brother
a = 2b + 5
anna is 9 year old then brother his brother age
replace 9 for a in the above equation
9 = 2b + 5
9 - 5 = 2b
2b = 4
b = 2 yrs old is the brother's age
