8n-21=-30+5n

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Solution for 8n-21=-30+5n equation:


Simplifying
8n + -21 = -30 + 5n

Reorder the terms:
-21 + 8n = -30 + 5n

Solving
-21 + 8n = -30 + 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.
-21 + 8n + -5n = -30 + 5n + -5n

Combine like terms: 8n + -5n = 3n
-21 + 3n = -30 + 5n + -5n

Combine like terms: 5n + -5n = 0
-21 + 3n = -30 + 0
-21 + 3n = -30

Add '21' to each side of the equation.
-21 + 21 + 3n = -30 + 21

Combine like terms: -21 + 21 = 0
0 + 3n = -30 + 21
3n = -30 + 21

Combine like terms: -30 + 21 = -9
3n = -9

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

Simplifying
n = -3

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