66-3x=12-9x

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Solution for 66-3x=12-9x equation:


Simplifying
66 + -3x = 12 + -9x

Solving
66 + -3x = 12 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
66 + -3x + 9x = 12 + -9x + 9x

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

Combine like terms: -9x + 9x = 0
66 + 6x = 12 + 0
66 + 6x = 12

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

Combine like terms: 66 + -66 = 0
0 + 6x = 12 + -66
6x = 12 + -66

Combine like terms: 12 + -66 = -54
6x = -54

Divide each side by '6'.
x = -9

Simplifying
x = -9

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