Question

To frame a linear equation in two variable from a given real life situation and to find the solution graphically.

Answer 1

practice. example

1. The sum of two numbers is 25, one of the numbers is twice the other. Find the numbers.

Solution:

Let one of the number be ‘x’.

It is given that 2nd number is two times the first number. so 2nd number = 2x.

Now sum of two numbers = 25.

Now when we convert the statement into mathematical statement, then the equation becomes, x + 2x = 25. So, 3x = 25 is our required linear equation in one variable.

Hope you understand

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