n+(4n)+(n-20)=180

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Solution for n+(4n)+(n-20)=180 equation: 


Simplifying
n + (4n) + (n + -20) = 180

Reorder the terms:
n + (4n) + (-20 + n) = 180

Remove parenthesis around (-20 + n)
n + (4n) + -20 + n = 180

Reorder the terms:
-20 + n + (4n) + n = 180

Combine like terms: n + (4n) = 5n
-20 + 5n + n = 180

Combine like terms: 5n + n = 6n
-20 + 6n = 180

Solving
-20 + 6n = 180

Solving for variable 'n'.

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

Add '20' to each side of the equation.
-20 + 20 + 6n = 180 + 20

Combine like terms: -20 + 20 = 0
0 + 6n = 180 + 20
6n = 180 + 20

Combine like terms: 180 + 20 = 200
6n = 200

Divide each side by '6'.
n = 33.33333333

Simplifying
n = 33.33333333

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