two years ago father was three time as old ashis son and two years hence twice his age will be equal to five time that of his son find their present year
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Hey!here is. answer
let the age of. father be y
and age of son be x
case 1
a/q
x-2=y-2
3(x-2)=y-2
3x-6=y-2
3x-y=-2+6
3x-y=4...............(1)
case 2
a/q
2+x=2+y
5(2+x)=2+y
10+5x=2+y
5x-y=2-10
5x-y=-8..........(2)
from equation (1) and (2)
3x-y=4
5x-y=-8
_______
2x=12
x=12/2
x=6
put the value of x in equation 2
5(6)-y=-8
30-y=-8
-y=-8-30
-y=-38
y=38
hope it helps.
thanks