9x+12=9-3x

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


Simplifying
9x + 12 = 9 + -3x

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

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

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

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

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

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

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

Divide each side by '12'.
x = -0.25

Simplifying
x = -0.25

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