(9n+4)+(9n+4)=180

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Solution for (9n+4)+(9n+4)=180 equation:


Simplifying
(9n + 4) + (9n + 4) = 180

Reorder the terms:
(4 + 9n) + (9n + 4) = 180

Remove parenthesis around (4 + 9n)
4 + 9n + (9n + 4) = 180

Reorder the terms:
4 + 9n + (4 + 9n) = 180

Remove parenthesis around (4 + 9n)
4 + 9n + 4 + 9n = 180

Reorder the terms:
4 + 4 + 9n + 9n = 180

Combine like terms: 4 + 4 = 8
8 + 9n + 9n = 180

Combine like terms: 9n + 9n = 18n
8 + 18n = 180

Solving
8 + 18n = 180

Solving for variable 'n'.

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

Add '-8' to each side of the equation.
8 + -8 + 18n = 180 + -8

Combine like terms: 8 + -8 = 0
0 + 18n = 180 + -8
18n = 180 + -8

Combine like terms: 180 + -8 = 172
18n = 172

Divide each side by '18'.
n = 9.555555556

Simplifying
n = 9.555555556

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