3(3x-12)-3x=72

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Solution for 3(3x-12)-3x=72 equation:


Simplifying
3(3x + -12) + -3x = 72

Reorder the terms:
3(-12 + 3x) + -3x = 72
(-12 * 3 + 3x * 3) + -3x = 72
(-36 + 9x) + -3x = 72

Combine like terms: 9x + -3x = 6x
-36 + 6x = 72

Solving
-36 + 6x = 72

Solving for variable 'x'.

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

Add '36' to each side of the equation.
-36 + 36 + 6x = 72 + 36

Combine like terms: -36 + 36 = 0
0 + 6x = 72 + 36
6x = 72 + 36

Combine like terms: 72 + 36 = 108
6x = 108

Divide each side by '6'.
x = 18

Simplifying
x = 18

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