12-4n=-15-n

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Solution for 12-4n=-15-n equation:


Simplifying
12 + -4n = -15 + -1n

Solving
12 + -4n = -15 + -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 + -4n + n = -15 + -1n + n

Combine like terms: -4n + n = -3n
12 + -3n = -15 + -1n + n

Combine like terms: -1n + n = 0
12 + -3n = -15 + 0
12 + -3n = -15

Add '-12' to each side of the equation.
12 + -12 + -3n = -15 + -12

Combine like terms: 12 + -12 = 0
0 + -3n = -15 + -12
-3n = -15 + -12

Combine like terms: -15 + -12 = -27
-3n = -27

Divide each side by '-3'.
n = 9

Simplifying
n = 9

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