20=5n-n

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Solution for 20=5n-n equation:


Simplifying
20 = 5n + -1n

Combine like terms: 5n + -1n = 4n
20 = 4n

Solving
20 = 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
20 + -4n = 4n + -4n

Combine like terms: 4n + -4n = 0
20 + -4n = 0

Add '-20' to each side of the equation.
20 + -20 + -4n = 0 + -20

Combine like terms: 20 + -20 = 0
0 + -4n = 0 + -20
-4n = 0 + -20

Combine like terms: 0 + -20 = -20
-4n = -20

Divide each side by '-4'.
n = 5

Simplifying
n = 5

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