21=-8-8n+5

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Solution for 21=-8-8n+5 equation:


Simplifying
21 = -8 + -8n + 5

Reorder the terms:
21 = -8 + 5 + -8n

Combine like terms: -8 + 5 = -3
21 = -3 + -8n

Solving
21 = -3 + -8n

Solving for variable 'n'.

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

Add '8n' to each side of the equation.
21 + 8n = -3 + -8n + 8n

Combine like terms: -8n + 8n = 0
21 + 8n = -3 + 0
21 + 8n = -3

Add '-21' to each side of the equation.
21 + -21 + 8n = -3 + -21

Combine like terms: 21 + -21 = 0
0 + 8n = -3 + -21
8n = -3 + -21

Combine like terms: -3 + -21 = -24
8n = -24

Divide each side by '8'.
n = -3

Simplifying
n = -3

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