72=3x+6(-x+18)

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Solution for 72=3x+6(-x+18) equation:


Simplifying
72 = 3x + 6(-1x + 18)

Reorder the terms:
72 = 3x + 6(18 + -1x)
72 = 3x + (18 * 6 + -1x * 6)
72 = 3x + (108 + -6x)

Reorder the terms:
72 = 108 + 3x + -6x

Combine like terms: 3x + -6x = -3x
72 = 108 + -3x

Solving
72 = 108 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
72 + 3x = 108 + -3x + 3x

Combine like terms: -3x + 3x = 0
72 + 3x = 108 + 0
72 + 3x = 108

Add '-72' to each side of the equation.
72 + -72 + 3x = 108 + -72

Combine like terms: 72 + -72 = 0
0 + 3x = 108 + -72
3x = 108 + -72

Combine like terms: 108 + -72 = 36
3x = 36

Divide each side by '3'.
x = 12

Simplifying
x = 12

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