21n-54=324

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Solution for 21n-54=324 equation: 


Simplifying
21n + -54 = 324

Reorder the terms:
-54 + 21n = 324

Solving
-54 + 21n = 324

Solving for variable 'n'.

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

Add '54' to each side of the equation.
-54 + 54 + 21n = 324 + 54

Combine like terms: -54 + 54 = 0
0 + 21n = 324 + 54
21n = 324 + 54

Combine like terms: 324 + 54 = 378
21n = 378

Divide each side by '21'.
n = 18

Simplifying
n = 18

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