3x+9x=-2-8x

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Solution for 3x+9x=-2-8x equation:


Simplifying
3x + 9x = -2 + -8x

Combine like terms: 3x + 9x = 12x
12x = -2 + -8x

Solving
12x = -2 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
12x + 8x = -2 + -8x + 8x

Combine like terms: 12x + 8x = 20x
20x = -2 + -8x + 8x

Combine like terms: -8x + 8x = 0
20x = -2 + 0
20x = -2

Divide each side by '20'.
x = -0.1

Simplifying
x = -0.1

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