12x+15x-9+5=-3x+5-9

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Solution for 12x+15x-9+5=-3x+5-9 equation: 


Simplifying
12x + 15x + -9 + 5 = -3x + 5 + -9

Reorder the terms:
-9 + 5 + 12x + 15x = -3x + 5 + -9

Combine like terms: -9 + 5 = -4
-4 + 12x + 15x = -3x + 5 + -9

Combine like terms: 12x + 15x = 27x
-4 + 27x = -3x + 5 + -9

Reorder the terms:
-4 + 27x = 5 + -9 + -3x

Combine like terms: 5 + -9 = -4
-4 + 27x = -4 + -3x

Add '4' to each side of the equation.
-4 + 4 + 27x = -4 + 4 + -3x

Combine like terms: -4 + 4 = 0
0 + 27x = -4 + 4 + -3x
27x = -4 + 4 + -3x

Combine like terms: -4 + 4 = 0
27x = 0 + -3x
27x = -3x

Solving
27x = -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.
27x + 3x = -3x + 3x

Combine like terms: 27x + 3x = 30x
30x = -3x + 3x

Combine like terms: -3x + 3x = 0
30x = 0

Divide each side by '30'.
x = 0.0

Simplifying
x = 0.0

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