Johns age is half of the age he will be in 8 years. How old is he now? Be sure to show your work usin let statements your equation and your answer

Question

I need help with my problem for math i don't understand it and i have to show my let statements my equation i used and my answer

Answer 1

Let j = john's age

 

j = (1/2)(j+8)

 

j = j/2 + 4

 

solve for j

 

Answer 2

Let;

john's current age = x

john's age eight yrs from now = x+8

 

 

Johns age, x is half of the age he will be in 8 years

 

x = (x+8)/2

 

solve for x, johns current age