Question

Fifteen years hence a man will be just 4 times as old as he was 15 years ago his present age is

Answer 1

let the present age is x

the equqtion is x+15=4 (x-15)

x+15=4x-60

60+15=4x-x

75=3x

75/3=x

25=x

the present age of the man is 25 years

Answer 2

Answer:

x = 25 years old

Step-by-step explanation:

x+15=4(x-15)

x+15=4x-60

x-4x=-60-15

-3x=-75

x=-75/-3

x=25 years old is his present age.

Proof/verification:

25+15=4(25-15)

40=4*10

40=40