Question

.Form an equation and solve

a. The age of Amit's father is seven years more than four times Amit's age. Amit's father is 35 yrs old?
b. Sum of twice of a number and 15 is 27. Find the number?​

Answer 1

Answer:

1))

Let the age of Amit be x

So Amit father's age = 7+4x

ATQ,

7+4x=35

=> 4x = 35-7= 28

=>X = 28/4=7yrs

.

Hence Amit age is 7Years..

2))

Let the no. be x

ATQ,

2x+15=27

=>2x = 27-15= 12

=>x = 12/2= 6

Answer 2

a) Let the age of Amit be= x

Amit father's age = 4x+7

⇒4x+7 =35

⇒4x = 35 - 7= 28

x = 28/4=7

So, the age of Amit is 7 years.

b) Let the no. be= x

= 2x+15=27

⇒ 2x = 27-15= 12

⇒ x = 12=6 (Divided by 2)

The number is 6.