2n+12+3n+18=180

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Solution for 2n+12+3n+18=180 equation:


Simplifying
2n + 12 + 3n + 18 = 180

Reorder the terms:
12 + 18 + 2n + 3n = 180

Combine like terms: 12 + 18 = 30
30 + 2n + 3n = 180

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

Solving
30 + 5n = 180

Solving for variable 'n'.

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

Add '-30' to each side of the equation.
30 + -30 + 5n = 180 + -30

Combine like terms: 30 + -30 = 0
0 + 5n = 180 + -30
5n = 180 + -30

Combine like terms: 180 + -30 = 150
5n = 150

Divide each side by '5'.
n = 30

Simplifying
n = 30

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