8n-21=51

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Solution for 8n-21=51 equation:


Simplifying
8n + -21 = 51

Reorder the terms:
-21 + 8n = 51

Solving
-21 + 8n = 51

Solving for variable 'n'.

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

Add '21' to each side of the equation.
-21 + 21 + 8n = 51 + 21

Combine like terms: -21 + 21 = 0
0 + 8n = 51 + 21
8n = 51 + 21

Combine like terms: 51 + 21 = 72
8n = 72

Divide each side by '8'.
n = 9

Simplifying
n = 9

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