12x+9-3x-4=

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Solution for 12x+9-3x-4= equation:


Simplifying
12x + 9 + -3x + -4 = 0

Reorder the terms:
9 + -4 + 12x + -3x = 0

Combine like terms: 9 + -4 = 5
5 + 12x + -3x = 0

Combine like terms: 12x + -3x = 9x
5 + 9x = 0

Solving
5 + 9x = 0

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + 9x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 9x = 0 + -5
9x = 0 + -5

Combine like terms: 0 + -5 = -5
9x = -5

Divide each side by '9'.
x = -0.5555555556

Simplifying
x = -0.5555555556

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