-(7xy-9)+3(5xy+6)=

Solution for -(7xy-9)+3(5xy+6)= equation:

Simplifying
-1(7xy + -9) + 3(5xy + 6) = 0

Reorder the terms:
-1(-9 + 7xy) + 3(5xy + 6) = 0
(-9 * -1 + 7xy * -1) + 3(5xy + 6) = 0
(9 + -7xy) + 3(5xy + 6) = 0

Reorder the terms:
9 + -7xy + 3(6 + 5xy) = 0
9 + -7xy + (6 * 3 + 5xy * 3) = 0
9 + -7xy + (18 + 15xy) = 0

Reorder the terms:
9 + 18 + -7xy + 15xy = 0

Combine like terms: 9 + 18 = 27
27 + -7xy + 15xy = 0

Combine like terms: -7xy + 15xy = 8xy
27 + 8xy = 0

Solving
27 + 8xy = 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 + 8xy = 0 + -27

Combine like terms: 27 + -27 = 0
0 + 8xy = 0 + -27
8xy = 0 + -27

Combine like terms: 0 + -27 = -27
8xy = -27

Divide each side by '8y'.
x = -3.375y-1

Simplifying
x = -3.375y-1