20n+400=680

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Solution for 20n+400=680 equation: 


Simplifying
20n + 400 = 680

Reorder the terms:
400 + 20n = 680

Solving
400 + 20n = 680

Solving for variable 'n'.

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

Add '-400' to each side of the equation.
400 + -400 + 20n = 680 + -400

Combine like terms: 400 + -400 = 0
0 + 20n = 680 + -400
20n = 680 + -400

Combine like terms: 680 + -400 = 280
20n = 280

Divide each side by '20'.
n = 14

Simplifying
n = 14

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