Question 1104264
if you let x represent her age, then 2x + 5 = 31.
subtract 5 from both sides of this equation to get 2x = 26
divide both sides of this equation by 2 to get x = 13.


her age is 13.
2 times her age is 26
add 5 to that and you get 31.


solution is confirmed to be good.