n+12=3n

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Solution for n+12=3n equation:


Simplifying
n + 12 = 3n

Reorder the terms:
12 + n = 3n

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

Combine like terms: n + -3n = -2n
12 + -2n = 3n + -3n

Combine like terms: 3n + -3n = 0
12 + -2n = 0

Add '-12' to each side of the equation.
12 + -12 + -2n = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -2n = 0 + -12
-2n = 0 + -12

Combine like terms: 0 + -12 = -12
-2n = -12

Divide each side by '-2'.
n = 6

Simplifying
n = 6

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