3n+30+2n+40+5n=180

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Solution for 3n+30+2n+40+5n=180 equation: 


Simplifying
3n + 30 + 2n + 40 + 5n = 180

Reorder the terms:
30 + 40 + 3n + 2n + 5n = 180

Combine like terms: 30 + 40 = 70
70 + 3n + 2n + 5n = 180

Combine like terms: 3n + 2n = 5n
70 + 5n + 5n = 180

Combine like terms: 5n + 5n = 10n
70 + 10n = 180

Solving
70 + 10n = 180

Solving for variable 'n'.

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

Add '-70' to each side of the equation.
70 + -70 + 10n = 180 + -70

Combine like terms: 70 + -70 = 0
0 + 10n = 180 + -70
10n = 180 + -70

Combine like terms: 180 + -70 = 110
10n = 110

Divide each side by '10'.
n = 11

Simplifying
n = 11

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