12x+3=-3x-39

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Solution for 12x+3=-3x-39 equation:


Simplifying
12x + 3 = -3x + -39

Reorder the terms:
3 + 12x = -3x + -39

Reorder the terms:
3 + 12x = -39 + -3x

Solving
3 + 12x = -39 + -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.
3 + 12x + 3x = -39 + -3x + 3x

Combine like terms: 12x + 3x = 15x
3 + 15x = -39 + -3x + 3x

Combine like terms: -3x + 3x = 0
3 + 15x = -39 + 0
3 + 15x = -39

Add '-3' to each side of the equation.
3 + -3 + 15x = -39 + -3

Combine like terms: 3 + -3 = 0
0 + 15x = -39 + -3
15x = -39 + -3

Combine like terms: -39 + -3 = -42
15x = -42

Divide each side by '15'.
x = -2.8

Simplifying
x = -2.8

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