12+2n=3-n

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Solution for 12+2n=3-n equation:


Simplifying
12 + 2n = 3 + -1n

Solving
12 + 2n = 3 + -1n

Solving for variable 'n'.

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

Add 'n' to each side of the equation.
12 + 2n + n = 3 + -1n + n

Combine like terms: 2n + n = 3n
12 + 3n = 3 + -1n + n

Combine like terms: -1n + n = 0
12 + 3n = 3 + 0
12 + 3n = 3

Add '-12' to each side of the equation.
12 + -12 + 3n = 3 + -12

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

Combine like terms: 3 + -12 = -9
3n = -9

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

Simplifying
n = -3

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