To simplify the expression, we can combine like terms.
The like terms in the expression are -3/4r and -5/6r.
To combine them, we can find a common denominator of 4 and 6, which is 12.
Next, we need to multiply -3/4r by 3/3 and -5/6r by 2/2, in order to have the same denominator of 12:
(-3/4r)(3/3) + 3 - (5/6r)(2/2) - 6
= -9/12r + 3 - 10/12r - 6
Now, we can combine the like terms:
= (-9/12r - 10/12r) + 3 - 6
= -19/12r - 3
Therefore, the simplified expression is -19/12r - 3.
Simplify -3/4r +3-5/6r -6
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