7n-n=3n-12

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Solution for 7n-n=3n-12 equation:


Simplifying
7n + -1n = 3n + -12

Combine like terms: 7n + -1n = 6n
6n = 3n + -12

Reorder the terms:
6n = -12 + 3n

Solving
6n = -12 + 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.
6n + -3n = -12 + 3n + -3n

Combine like terms: 6n + -3n = 3n
3n = -12 + 3n + -3n

Combine like terms: 3n + -3n = 0
3n = -12 + 0
3n = -12

Divide each side by '3'.
n = -4

Simplifying
n = -4

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