To simplify the expression, you can combine like terms.
-3/4r - 5/6r simplifies to -9/12r - 10/12r, which can be further simplified to -19/12r.
3 - 6 is equal to -3.
Therefore, the simplified expression is: -19/12r - 3.
Simplify-3/4r + 3 - 5/6r - 6
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