In this Question the sum of two numbers and their difference is given.

You have to find the numbers.

This is the Important question based on Linear Equations in two Variables Chapter of R.S Aggarwal book for ICSE & CBSE Board.

This is the Question Number 4 Of Exercise 3E of RS Aggarwal Solution

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# The sum of two numbers is 137 and their difference is 43. Find the numbers.

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Let the two numbers be x and y.

x+y=137

x-y=43

By elimination method,

2x=180

x=90

Substitute the value of x ,

x+y=137

y=137-90

=47