6x+3=-9x-12

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


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

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

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

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

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
3 + 6x + 9x = -12 + -9x + 9x

Combine like terms: 6x + 9x = 15x
3 + 15x = -12 + -9x + 9x

Combine like terms: -9x + 9x = 0
3 + 15x = -12 + 0
3 + 15x = -12

Add '-3' to each side of the equation.
3 + -3 + 15x = -12 + -3

Combine like terms: 3 + -3 = 0
0 + 15x = -12 + -3
15x = -12 + -3

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

Divide each side by '15'.
x = -1

Simplifying
x = -1

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