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Solve the given equation using elimination method: ax + by = a - b & bx - ay = a + b

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Solve the given equation using elimination method: ax + by = a - b & bx - ay = a + b
posted May 14 by Prity Raj

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1 Answer

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a[ax + by = a - b]  -- multiply by a 
b[bx - ay = a + b]  -- multiply by b
--------------------  adding two equations 
(a^2 + b^2)x  = a^2 + b^2
or 
x = 1 

now putting it in eq1
a + by = a - b 
or 
y = -1 

Answer
x=1 and y = -1

answer May 14 by Salil Agrawal
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