-21-6n=-(n-8)+1

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Solution for -21-6n=-(n-8)+1 equation:


Simplifying
-21 + -6n = -1(n + -8) + 1

Reorder the terms:
-21 + -6n = -1(-8 + n) + 1
-21 + -6n = (-8 * -1 + n * -1) + 1
-21 + -6n = (8 + -1n) + 1

Reorder the terms:
-21 + -6n = 8 + 1 + -1n

Combine like terms: 8 + 1 = 9
-21 + -6n = 9 + -1n

Solving
-21 + -6n = 9 + -1n

Solving for variable 'n'.

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

Add 'n' to each side of the equation.
-21 + -6n + n = 9 + -1n + n

Combine like terms: -6n + n = -5n
-21 + -5n = 9 + -1n + n

Combine like terms: -1n + n = 0
-21 + -5n = 9 + 0
-21 + -5n = 9

Add '21' to each side of the equation.
-21 + 21 + -5n = 9 + 21

Combine like terms: -21 + 21 = 0
0 + -5n = 9 + 21
-5n = 9 + 21

Combine like terms: 9 + 21 = 30
-5n = 30

Divide each side by '-5'.
n = -6

Simplifying
n = -6

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