-(3xy-9)+3(4xy+6)=

Solution for -(3xy-9)+3(4xy+6)= equation:

Simplifying
-1(3xy + -9) + 3(4xy + 6) = 0

Reorder the terms:
-1(-9 + 3xy) + 3(4xy + 6) = 0
(-9 * -1 + 3xy * -1) + 3(4xy + 6) = 0
(9 + -3xy) + 3(4xy + 6) = 0

Reorder the terms:
9 + -3xy + 3(6 + 4xy) = 0
9 + -3xy + (6 * 3 + 4xy * 3) = 0
9 + -3xy + (18 + 12xy) = 0

Reorder the terms:
9 + 18 + -3xy + 12xy = 0

Combine like terms: 9 + 18 = 27
27 + -3xy + 12xy = 0

Combine like terms: -3xy + 12xy = 9xy
27 + 9xy = 0

Solving
27 + 9xy = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-27' to each side of the equation.
27 + -27 + 9xy = 0 + -27

Combine like terms: 27 + -27 = 0
0 + 9xy = 0 + -27
9xy = 0 + -27

Combine like terms: 0 + -27 = -27
9xy = -27

Divide each side by '9y'.
x = -3y-1

Simplifying
x = -3y-1