(3x-6)+9=12

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


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

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

Remove parenthesis around (-6 + 3x)
-6 + 3x + 9 = 12

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

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

Solving
3 + 3x = 12

Solving for variable 'x'.

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

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

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

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

Divide each side by '3'.
x = 3

Simplifying
x = 3

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