400=20n

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Solution for 400=20n equation:


Simplifying
400 = 20n

Solving
400 = 20n

Solving for variable 'n'.

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

Add '-20n' to each side of the equation.
400 + -20n = 20n + -20n

Combine like terms: 20n + -20n = 0
400 + -20n = 0

Add '-400' to each side of the equation.
400 + -400 + -20n = 0 + -400

Combine like terms: 400 + -400 = 0
0 + -20n = 0 + -400
-20n = 0 + -400

Combine like terms: 0 + -400 = -400
-20n = -400

Divide each side by '-20'.
n = 20

Simplifying
n = 20

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