72=3(6+x)

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


Simplifying
72 = 3(6 + x)
72 = (6 * 3 + x * 3)
72 = (18 + 3x)

Solving
72 = 18 + 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 = 18 + 3x + -3x

Combine like terms: 3x + -3x = 0
72 + -3x = 18 + 0
72 + -3x = 18

Add '-72' to each side of the equation.
72 + -72 + -3x = 18 + -72

Combine like terms: 72 + -72 = 0
0 + -3x = 18 + -72
-3x = 18 + -72

Combine like terms: 18 + -72 = -54
-3x = -54

Divide each side by '-3'.
x = 18

Simplifying
x = 18

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