20+20+2n=480

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Solution for 20+20+2n=480 equation: 


Simplifying
20 + 20 + 2n = 480

Combine like terms: 20 + 20 = 40
40 + 2n = 480

Solving
40 + 2n = 480

Solving for variable 'n'.

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

Add '-40' to each side of the equation.
40 + -40 + 2n = 480 + -40

Combine like terms: 40 + -40 = 0
0 + 2n = 480 + -40
2n = 480 + -40

Combine like terms: 480 + -40 = 440
2n = 440

Divide each side by '2'.
n = 220

Simplifying
n = 220

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