-6=n+21

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Solution for -6=n+21 equation:


Simplifying
-6 = n + 21

Reorder the terms:
-6 = 21 + n

Solving
-6 = 21 + 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.
-6 + -1n = 21 + n + -1n

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

Add '6' to each side of the equation.
-6 + 6 + -1n = 21 + 6

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

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

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

Simplifying
n = -27

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