8n=5n-21

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Solution for 8n=5n-21 equation: 


Simplifying
8n = 5n + -21

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

Solving
8n = -21 + 5n

Solving for variable 'n'.

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

Add '-5n' to each side of the equation.
8n + -5n = -21 + 5n + -5n

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

Combine like terms: 5n + -5n = 0
3n = -21 + 0
3n = -21

Divide each side by '3'.
n = -7

Simplifying
n = -7

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