Question 601254
Jane's age now = x
2 years ago his age = x-2

Jim is now 3(x-2)

Present ages  Jane =x
Jim = 3(x-2)

10 years later

Jane's age = x+10

x+10=3(x-2)
x+10=3x-6
3x-x= 10+6
2x= 16
/2
x= 8 

Jane's age now =  8 years
Jims age = 3(x-2) 
=3(8-2)
=18

Jim's age = 18 years now