321=n-20

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Solution for 321=n-20 equation:


Simplifying
321 = n + -20

Reorder the terms:
321 = -20 + n

Solving
321 = -20 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
321 + -1n = -20 + n + -1n

Combine like terms: n + -1n = 0
321 + -1n = -20 + 0
321 + -1n = -20

Add '-321' to each side of the equation.
321 + -321 + -1n = -20 + -321

Combine like terms: 321 + -321 = 0
0 + -1n = -20 + -321
-1n = -20 + -321

Combine like terms: -20 + -321 = -341
-1n = -341

Divide each side by '-1'.
n = 341

Simplifying
n = 341

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