SOLUTION: x÷b+y÷b=0 , x÷a-y÷b=4

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Question 1076651: x÷b+y÷b=0 , x÷a-y÷b=4
Answer by math_helper(2461) About Me  (Show Source):
You can put this solution on YOUR website!
+x%2Fb+%2B+y%2Fb+=+0+ —> +x+=+-y+
Substitute for x in 2nd equation:
+-y%2Fa+-+y%2Fb+=+4+ —> ++highlight%28y+=+-4ab%2F%28a%2Bb%29%29+ —> +highlight%28x=4ab%2F%28a%2Bb%29%29+
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Check:
+x%2Fb+%2B+y%2Fb+=+4a%2F%28a%2Bb%29+%2B++%28-4a%29%2F%28a%2Bb%29+=+0+ (ok)
(ok)