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

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


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

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

Reorder the terms:
9 + -3xy + 4(4 + 3xy) = 0
9 + -3xy + (4 * 4 + 3xy * 4) = 0
9 + -3xy + (16 + 12xy) = 0

Reorder the terms:
9 + 16 + -3xy + 12xy = 0

Combine like terms: 9 + 16 = 25
25 + -3xy + 12xy = 0

Combine like terms: -3xy + 12xy = 9xy
25 + 9xy = 0

Solving
25 + 9xy = 0

Solving for variable 'x'.

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

Add '-25' to each side of the equation.
25 + -25 + 9xy = 0 + -25

Combine like terms: 25 + -25 = 0
0 + 9xy = 0 + -25
9xy = 0 + -25

Combine like terms: 0 + -25 = -25
9xy = -25

Divide each side by '9y'.
x = -2.777777778y-1

Simplifying
x = -2.777777778y-1

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