n=3n-42

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Solution for n=3n-42 equation: 


Simplifying
n = 3n + -42

Reorder the terms:
n = -42 + 3n

Solving
n = -42 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
n + -3n = -42 + 3n + -3n

Combine like terms: n + -3n = -2n
-2n = -42 + 3n + -3n

Combine like terms: 3n + -3n = 0
-2n = -42 + 0
-2n = -42

Divide each side by '-2'.
n = 21

Simplifying
n = 21

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