4(3-x)-(6x+9)=-12x

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Solution for 4(3-x)-(6x+9)=-12x equation:


Simplifying
4(3 + -1x) + -1(6x + 9) = -12x
(3 * 4 + -1x * 4) + -1(6x + 9) = -12x
(12 + -4x) + -1(6x + 9) = -12x

Reorder the terms:
12 + -4x + -1(9 + 6x) = -12x
12 + -4x + (9 * -1 + 6x * -1) = -12x
12 + -4x + (-9 + -6x) = -12x

Reorder the terms:
12 + -9 + -4x + -6x = -12x

Combine like terms: 12 + -9 = 3
3 + -4x + -6x = -12x

Combine like terms: -4x + -6x = -10x
3 + -10x = -12x

Solving
3 + -10x = -12x

Solving for variable 'x'.

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

Add '12x' to each side of the equation.
3 + -10x + 12x = -12x + 12x

Combine like terms: -10x + 12x = 2x
3 + 2x = -12x + 12x

Combine like terms: -12x + 12x = 0
3 + 2x = 0

Add '-3' to each side of the equation.
3 + -3 + 2x = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 2x = 0 + -3
2x = 0 + -3

Combine like terms: 0 + -3 = -3
2x = -3

Divide each side by '2'.
x = -1.5

Simplifying
x = -1.5

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