(4x-3y-3)+(8x+9y-12)=

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Solution for (4x-3y-3)+(8x+9y-12)= equation:


Simplifying
(4x + -3y + -3) + (8x + 9y + -12) = 0

Reorder the terms:
(-3 + 4x + -3y) + (8x + 9y + -12) = 0

Remove parenthesis around (-3 + 4x + -3y)
-3 + 4x + -3y + (8x + 9y + -12) = 0

Reorder the terms:
-3 + 4x + -3y + (-12 + 8x + 9y) = 0

Remove parenthesis around (-12 + 8x + 9y)
-3 + 4x + -3y + -12 + 8x + 9y = 0

Reorder the terms:
-3 + -12 + 4x + 8x + -3y + 9y = 0

Combine like terms: -3 + -12 = -15
-15 + 4x + 8x + -3y + 9y = 0

Combine like terms: 4x + 8x = 12x
-15 + 12x + -3y + 9y = 0

Combine like terms: -3y + 9y = 6y
-15 + 12x + 6y = 0

Solving
-15 + 12x + 6y = 0

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 12x + 15 + 6y = 0 + 15

Reorder the terms:
-15 + 15 + 12x + 6y = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 12x + 6y = 0 + 15
12x + 6y = 0 + 15

Combine like terms: 0 + 15 = 15
12x + 6y = 15

Add '-6y' to each side of the equation.
12x + 6y + -6y = 15 + -6y

Combine like terms: 6y + -6y = 0
12x + 0 = 15 + -6y
12x = 15 + -6y

Divide each side by '12'.
x = 1.25 + -0.5y

Simplifying
x = 1.25 + -0.5y

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