semplify - 3/4r +3 - 5/6r - 6

To simplify the expression -3/4r + 3 - 5/6r - 6, combine like terms.

First, combine the coefficients of r:
-3/4r - 5/6r

To combine these fractions, we need to find a common denominator. The common denominator of 4 and 6 is 12.

-3/4r = -9/12r
-5/6r = -10/12r

Now, simplify:

-9/12r - 10/12r

Combine the fractions:

(-9 - 10)/12r

Perform the operation in the numerator:

-19/12r

Finally, combine the constants:

-19/12r + 3 - 6

Combine:

-19/12r - 3

So, the simplified expression is -19/12r - 3.