3n+21+2n+24=180

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Solution for 3n+21+2n+24=180 equation:


Simplifying
3n + 21 + 2n + 24 = 180

Reorder the terms:
21 + 24 + 3n + 2n = 180

Combine like terms: 21 + 24 = 45
45 + 3n + 2n = 180

Combine like terms: 3n + 2n = 5n
45 + 5n = 180

Solving
45 + 5n = 180

Solving for variable 'n'.

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

Add '-45' to each side of the equation.
45 + -45 + 5n = 180 + -45

Combine like terms: 45 + -45 = 0
0 + 5n = 180 + -45
5n = 180 + -45

Combine like terms: 180 + -45 = 135
5n = 135

Divide each side by '5'.
n = 27

Simplifying
n = 27

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