Question

The solution set of x – 3y = 1 and 3x + y = 3 is ......​

Answer 1

Answer:Given pair of linear equations,

x - 3y = 1

=> x = 1 + 3y ---( 1 )

3x + y = 3 -----( 2 )

Substitute x = 1 + 3y in equation ( 2 ),

We get,

3( 1 + 3y ) + y = 3

=> 3 + 9y + y = 3

=> 10y = 3 - 3

=> y = 0/10

=> y = 0

Put y = 0 in equation ( 1 ) , we get

x = 1 + 3 × 0

=> x = 1

Therefore ,

( x , y ) = ( 1 , 0 )

••••••

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