12x+6=3x-66

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


Simplifying
12x + 6 = 3x + -66

Reorder the terms:
6 + 12x = 3x + -66

Reorder the terms:
6 + 12x = -66 + 3x

Solving
6 + 12x = -66 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
6 + 12x + -3x = -66 + 3x + -3x

Combine like terms: 12x + -3x = 9x
6 + 9x = -66 + 3x + -3x

Combine like terms: 3x + -3x = 0
6 + 9x = -66 + 0
6 + 9x = -66

Add '-6' to each side of the equation.
6 + -6 + 9x = -66 + -6

Combine like terms: 6 + -6 = 0
0 + 9x = -66 + -6
9x = -66 + -6

Combine like terms: -66 + -6 = -72
9x = -72

Divide each side by '9'.
x = -8

Simplifying
x = -8

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