Algebra 1

PERFORM THE INDICATED OPERATIONS AND SIMPLIFY. x-8/x-9-x+1/x+9+x-27/x^2-81=x^3-81x^2-7x-27/x^2

Can you check this equation for me.

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1. Perform the indicated operations and simplify.
x-4/y-9 - y+1/y+9 + y-99/y^2-81

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2. how to perform the porblem 5 diveded by 7- 1 divided by 2 as a fraction?

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