21-12n=13

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Solution for 21-12n=13 equation:


Simplifying
21 + -12n = 13

Solving
21 + -12n = 13

Solving for variable 'n'.

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

Add '-21' to each side of the equation.
21 + -21 + -12n = 13 + -21

Combine like terms: 21 + -21 = 0
0 + -12n = 13 + -21
-12n = 13 + -21

Combine like terms: 13 + -21 = -8
-12n = -8

Divide each side by '-12'.
n = 0.6666666667

Simplifying
n = 0.6666666667

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