-21=n+12

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Solution for -21=n+12 equation:


Simplifying
-21 = n + 12

Reorder the terms:
-21 = 12 + n

Solving
-21 = 12 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
-21 + -1n = 12 + n + -1n

Combine like terms: n + -1n = 0
-21 + -1n = 12 + 0
-21 + -1n = 12

Add '21' to each side of the equation.
-21 + 21 + -1n = 12 + 21

Combine like terms: -21 + 21 = 0
0 + -1n = 12 + 21
-1n = 12 + 21

Combine like terms: 12 + 21 = 33
-1n = 33

Divide each side by '-1'.
n = -33

Simplifying
n = -33

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