3x-n=72

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Solution for 3x-n=72 equation:


Simplifying
3x + -1n = 72

Reorder the terms:
-1n + 3x = 72

Solving
-1n + 3x = 72

Solving for variable 'n'.

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

Add '-3x' to each side of the equation.
-1n + 3x + -3x = 72 + -3x

Combine like terms: 3x + -3x = 0
-1n + 0 = 72 + -3x
-1n = 72 + -3x

Divide each side by '-1'.
n = -72 + 3x

Simplifying
n = -72 + 3x

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