9=-6-3x-9

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Solution for 9=-6-3x-9 equation:


Simplifying
9 = -6 + -3x + -9

Reorder the terms:
9 = -6 + -9 + -3x

Combine like terms: -6 + -9 = -15
9 = -15 + -3x

Solving
9 = -15 + -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.
9 + 3x = -15 + -3x + 3x

Combine like terms: -3x + 3x = 0
9 + 3x = -15 + 0
9 + 3x = -15

Add '-9' to each side of the equation.
9 + -9 + 3x = -15 + -9

Combine like terms: 9 + -9 = 0
0 + 3x = -15 + -9
3x = -15 + -9

Combine like terms: -15 + -9 = -24
3x = -24

Divide each side by '3'.
x = -8

Simplifying
x = -8

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