ax+by-a+b=0 , bx-ay-a-b=0 solve for x and y ????☺☺☺☺????

1.	ax+by-a+b=0 , bx-ay-a-b=0 solve for x and y ????☺☺☺☺????
Answer» ax + by = a - b multiply by abx - ay = a + b multiply by b{tex}\\Rightarrow{/tex} x = 1{tex}\\therefore{/tex} a + by = a - bby = -by = -1{tex}\\therefore{/tex} x = 1y = -1

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