20n-39=221

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Solution for 20n-39=221 equation: 


Simplifying
20n + -39 = 221

Reorder the terms:
-39 + 20n = 221

Solving
-39 + 20n = 221

Solving for variable 'n'.

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

Add '39' to each side of the equation.
-39 + 39 + 20n = 221 + 39

Combine like terms: -39 + 39 = 0
0 + 20n = 221 + 39
20n = 221 + 39

Combine like terms: 221 + 39 = 260
20n = 260

Divide each side by '20'.
n = 13

Simplifying
n = 13

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