4n+21+5n+24=180

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Solution for 4n+21+5n+24=180 equation:


Simplifying
4n + 21 + 5n + 24 = 180

Reorder the terms:
21 + 24 + 4n + 5n = 180

Combine like terms: 21 + 24 = 45
45 + 4n + 5n = 180

Combine like terms: 4n + 5n = 9n
45 + 9n = 180

Solving
45 + 9n = 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 + 9n = 180 + -45

Combine like terms: 45 + -45 = 0
0 + 9n = 180 + -45
9n = 180 + -45

Combine like terms: 180 + -45 = 135
9n = 135

Divide each side by '9'.
n = 15

Simplifying
n = 15

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