Question

sum of the present age or Manish and Davita is 31. Manishas age 3 years ago was 4 times the age of savita. find their ages.​

Answer 1

Answer:

Manish=23

Davita=8

Step-by-step explanation:

Manish =x

Davita =y

Now

x+y=31 (I)

x-3=4(y-3)

=>x-4y=-9(ii)

change the sign of equation (II)

x+y=31

-x+4y=9

x will cancel out

5y=40

y=40/5

y=8

x+8=31

x=31-8

x=23