3(x-3)+9=12

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


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

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

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

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

Solving
3x = 12

Solving for variable 'x'.

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

Divide each side by '3'.
x = 4

Simplifying
x = 4

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