Question

give me answer correctly​

Answer 1

Let present age of son=x

Present age of father=y

ATQ Case 1

y=3x

y-3x=0

After 3 years Case2

Age of son=x+3

Age of father=y+3

ATQ

y+3=7+2(x+3)

y+3=7+2x+6

y-2x=13-3

y-2x=10

Solving 1and 2

y-3x=0

y-2x=10

Subtracting we get

-x=-10

X=10

Therefore age of son=10 years

Hope this helps