6x-3+9=-3x-12

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Solution for 6x-3+9=-3x-12 equation:


Simplifying
6x + -3 + 9 = -3x + -12

Reorder the terms:
-3 + 9 + 6x = -3x + -12

Combine like terms: -3 + 9 = 6
6 + 6x = -3x + -12

Reorder the terms:
6 + 6x = -12 + -3x

Solving
6 + 6x = -12 + -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.
6 + 6x + 3x = -12 + -3x + 3x

Combine like terms: 6x + 3x = 9x
6 + 9x = -12 + -3x + 3x

Combine like terms: -3x + 3x = 0
6 + 9x = -12 + 0
6 + 9x = -12

Add '-6' to each side of the equation.
6 + -6 + 9x = -12 + -6

Combine like terms: 6 + -6 = 0
0 + 9x = -12 + -6
9x = -12 + -6

Combine like terms: -12 + -6 = -18
9x = -18

Divide each side by '9'.
x = -2

Simplifying
x = -2

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