-12=2n-5n

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Solution for -12=2n-5n equation:


Simplifying
-12 = 2n + -5n

Combine like terms: 2n + -5n = -3n
-12 = -3n

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

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

Add '12' to each side of the equation.
-12 + 12 + 3n = 0 + 12

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

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

Divide each side by '3'.
n = 4

Simplifying
n = 4

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