(12x-4y+9)+(3y-10x-8)=

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Solution for (12x-4y+9)+(3y-10x-8)= equation:


Simplifying
(12x + -4y + 9) + (3y + -10x + -8) = 0

Reorder the terms:
(9 + 12x + -4y) + (3y + -10x + -8) = 0

Remove parenthesis around (9 + 12x + -4y)
9 + 12x + -4y + (3y + -10x + -8) = 0

Reorder the terms:
9 + 12x + -4y + (-8 + -10x + 3y) = 0

Remove parenthesis around (-8 + -10x + 3y)
9 + 12x + -4y + -8 + -10x + 3y = 0

Reorder the terms:
9 + -8 + 12x + -10x + -4y + 3y = 0

Combine like terms: 9 + -8 = 1
1 + 12x + -10x + -4y + 3y = 0

Combine like terms: 12x + -10x = 2x
1 + 2x + -4y + 3y = 0

Combine like terms: -4y + 3y = -1y
1 + 2x + -1y = 0

Solving
1 + 2x + -1y = 0

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + 2x + -1 + -1y = 0 + -1

Reorder the terms:
1 + -1 + 2x + -1y = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 2x + -1y = 0 + -1
2x + -1y = 0 + -1

Combine like terms: 0 + -1 = -1
2x + -1y = -1

Add 'y' to each side of the equation.
2x + -1y + y = -1 + y

Combine like terms: -1y + y = 0
2x + 0 = -1 + y
2x = -1 + y

Divide each side by '2'.
x = -0.5 + 0.5y

Simplifying
x = -0.5 + 0.5y

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