Answer :


To find: - x , y


Given set of lines are : -


3x + 4y – 5 = 0;


x - y + 3 = 0


Converting the following equations in matrix form,


AX = B



3R2 – R1



Again converting into equation form, we get


3x + 4y = 5


- 7 y = - 14


Y = 2


3x + 4y = 5


3x + 4×2 = 5


3x = - 3


X = - 1


x = - 1 , y = 2


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