Question

solve step by step solution​

Answer 1

Answer:

I hope it will help you

x = 40

y =10

Answer 2

Answer:

present age of son=X+5=5+5=10yrs

present age of father=7x+5=7(5)+5=35+5=40yrs

Step-by-step explanation:

let age of son=X

his father's age=7x

present ages

age of son=X+5

his father's age=7x+5

After 5 years

age of son=X+10

his father's age=7x+10

7x+10=3(X+10)

7x+10=3x+30

7x-3x=30-10

4x=20

X=20/4

X=5