Q4 of 92 Page 77

Let us solve the following simultaneous linear equations in two variables by applying cross multiplication method.

7x – 3y – 31 = 0


9x – 5y – 41 = 0


To solve the equation by cross multiplication method, we use:



Putting the values, we get:




So, and


⇒ x = 4 and y = - 1


More from this chapter

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2

Let us solve the following simultaneous linear equations in two variables by applying cross multiplication method.

3x – 4y = 1


4x = 3y + 6

 3

Let us solve the following simultaneous linear equations in two variables by applying cross multiplication method.

5x + 3y = 11


2x – 7y = –12

 5

Let us solve the following simultaneous linear equations in two variables by applying cross multiplication method.

 6

Let us solve the following simultaneous linear equations in two variables by applying cross multiplication method.