Q5 of 92 Page 77

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


⇒ x - 2y = 24 (Multiplying both sides by 6)


⇒ x - 2y - 24 = 0



⇒ x - 8y - 48 = 0 (Multiplying both sides by 12)



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



Putting the values, we get:




So, and


⇒ x = 16 and y = - 4


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

5x + 3y = 11


2x – 7y = –12

 4

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

7x – 3y – 31 = 0


9x – 5y – 41 = 0

 6

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

 7

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