21-n=-6

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Solution for 21-n=-6 equation: 


Simplifying
21 + -1n = -6

Solving
21 + -1n = -6

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 + -1n = -6 + -21

Combine like terms: 21 + -21 = 0
0 + -1n = -6 + -21
-1n = -6 + -21

Combine like terms: -6 + -21 = -27
-1n = -27

Divide each side by '-1'.
n = 27

Simplifying
n = 27

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