9x+3x+12=

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Solution for 9x+3x+12= equation:


Simplifying
9x + 3x + 12 = 0

Reorder the terms:
12 + 9x + 3x = 0

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

Solving
12 + 12x = 0

Solving for variable 'x'.

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

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

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

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

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

Simplifying
x = -1

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