Question

I want an application question with solution, from the chapter pair of linear equation in 2 variable, class 10th(not from ncert book)​

Answer 1

Answer:

Pairs of Linear Equations in Two Variables Exercise Ex. 3.1

Solution 1

Let the present age of Aftab and his daughter be x and y respectively.

Seven years ago,

Age of Aftab = x - 7

Age of his daughter = y - 7

According to the given condition,

Ncert Solutions Cbse Class 10 Mathematics Chapter - Pairs Of Linear Equations In Two Variables  

Three years hence,

Age of Aftab = x + 3

Age of his daughter = y + 3

According to the given condition,

Ncert Solutions Cbse Class 10 Mathematics Chapter - Pairs Of Linear Equations In Two Variables  

Thus, the given conditions can be algebraically represented as:

x - 7y = -42

x - 3y = 6

Step-by-step explanation: