13=n-12

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Solution for 13=n-12 equation:


Simplifying
13 = n + -12

Reorder the terms:
13 = -12 + n

Solving
13 = -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.
13 + -1n = -12 + n + -1n

Combine like terms: n + -1n = 0
13 + -1n = -12 + 0
13 + -1n = -12

Add '-13' to each side of the equation.
13 + -13 + -1n = -12 + -13

Combine like terms: 13 + -13 = 0
0 + -1n = -12 + -13
-1n = -12 + -13

Combine like terms: -12 + -13 = -25
-1n = -25

Divide each side by '-1'.
n = 25

Simplifying
n = 25

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