12+9x=-9x

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Solution for 12+9x=-9x equation:


Simplifying
12 + 9x = -9x

Solving
12 + 9x = -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.
12 + 9x + 9x = -9x + 9x

Combine like terms: 9x + 9x = 18x
12 + 18x = -9x + 9x

Combine like terms: -9x + 9x = 0
12 + 18x = 0

Add '-12' to each side of the equation.
12 + -12 + 18x = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 18x = 0 + -12
18x = 0 + -12

Combine like terms: 0 + -12 = -12
18x = -12

Divide each side by '18'.
x = -0.6666666667

Simplifying
x = -0.6666666667

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