3(x-3)-9=0

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Solution for 3(x-3)-9=0 equation: 


Simplifying
3(x + -3) + -9 = 0

Reorder the terms:
3(-3 + x) + -9 = 0
(-3 * 3 + x * 3) + -9 = 0
(-9 + 3x) + -9 = 0

Reorder the terms:
-9 + -9 + 3x = 0

Combine like terms: -9 + -9 = -18
-18 + 3x = 0

Solving
-18 + 3x = 0

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 18 + 3x = 0 + 18

Combine like terms: -18 + 18 = 0
0 + 3x = 0 + 18
3x = 0 + 18

Combine like terms: 0 + 18 = 18
3x = 18

Divide each side by '3'.
x = 6

Simplifying
x = 6

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