Question

A father is 13 year older than his son in 12 years the man will be three times as old as his son find their present age ​

Answer 1

Answer:

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Step-by-step explanation:

       1.x can't be add with 12 so we will mul 3 by x and 3 by 12                                     than ans will be following as 3x n 36 on other side we will add 30 (father age) with 12 (next 12 years).

       2.after adding all of them we will shift x to the left side and 36 to the right side n we will subtract x from 3x that will be 2x and 36 from 42 that will be 6 as ans.

       3.to find x we will divide 6 by 2 ans will be 3 (age of son).

        4.to find father age we will add 3 in 30 as ques is that father is 3 times as son in next 12 years so ans will be 33 (age of father).

( x + 12 ) 3 = x + 30 + 12

3x + 36 = x + 42

3x - x = 42 - 36

2x = 6

x = 6/2

x = 3 age of son

3 + 30 = 33 age of father.