3+6x+6x=-9

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Solution for 3+6x+6x=-9 equation: 


Simplifying
3 + 6x + 6x = -9

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

Solving
3 + 12x = -9

Solving for variable 'x'.

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

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

Combine like terms: 3 + -3 = 0
0 + 12x = -9 + -3
12x = -9 + -3

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

Divide each side by '12'.
x = -1

Simplifying
x = -1

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