A+n=20

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Solution for A+n=20 equation: 


Simplifying
A + n = 20

Solving
A + n = 20

Solving for variable 'A'.

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

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

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

Simplifying
A = 20 + -1n

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