3(x-3)-18=0

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Solution for 3(x-3)-18=0 equation:


Simplifying
3(x + -3) + -18 = 0

Reorder the terms:
3(-3 + x) + -18 = 0
(-3 * 3 + x * 3) + -18 = 0
(-9 + 3x) + -18 = 0

Reorder the terms:
-9 + -18 + 3x = 0

Combine like terms: -9 + -18 = -27
-27 + 3x = 0

Solving
-27 + 3x = 0

Solving for variable 'x'.

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

Add '27' to each side of the equation.
-27 + 27 + 3x = 0 + 27

Combine like terms: -27 + 27 = 0
0 + 3x = 0 + 27
3x = 0 + 27

Combine like terms: 0 + 27 = 27
3x = 27

Divide each side by '3'.
x = 9

Simplifying
x = 9

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