12+6(3x-9)-12x=-66

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Solution for 12+6(3x-9)-12x=-66 equation:


Simplifying
12 + 6(3x + -9) + -12x = -66

Reorder the terms:
12 + 6(-9 + 3x) + -12x = -66
12 + (-9 * 6 + 3x * 6) + -12x = -66
12 + (-54 + 18x) + -12x = -66

Combine like terms: 12 + -54 = -42
-42 + 18x + -12x = -66

Combine like terms: 18x + -12x = 6x
-42 + 6x = -66

Solving
-42 + 6x = -66

Solving for variable 'x'.

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

Add '42' to each side of the equation.
-42 + 42 + 6x = -66 + 42

Combine like terms: -42 + 42 = 0
0 + 6x = -66 + 42
6x = -66 + 42

Combine like terms: -66 + 42 = -24
6x = -24

Divide each side by '6'.
x = -4

Simplifying
x = -4

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