=3x-9+4x+12-6x

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Solution for =3x-9+4x+12-6x equation:


Simplifying
0 = 3x + -9 + 4x + 12 + -6x

Reorder the terms:
0 = -9 + 12 + 3x + 4x + -6x

Combine like terms: -9 + 12 = 3
0 = 3 + 3x + 4x + -6x

Combine like terms: 3x + 4x = 7x
0 = 3 + 7x + -6x

Combine like terms: 7x + -6x = 1x
0 = 3 + 1x

Solving
0 = 3 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
0 + -1x = 3 + 1x + -1x
Remove the zero:
-1x = 3 + 1x + -1x

Combine like terms: 1x + -1x = 0
-1x = 3 + 0
-1x = 3

Divide each side by '-1'.
x = -3

Simplifying
x = -3

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