15n+3(3-n)=180

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Solution for 15n+3(3-n)=180 equation:


Simplifying
15n + 3(3 + -1n) = 180
15n + (3 * 3 + -1n * 3) = 180
15n + (9 + -3n) = 180

Reorder the terms:
9 + 15n + -3n = 180

Combine like terms: 15n + -3n = 12n
9 + 12n = 180

Solving
9 + 12n = 180

Solving for variable 'n'.

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

Add '-9' to each side of the equation.
9 + -9 + 12n = 180 + -9

Combine like terms: 9 + -9 = 0
0 + 12n = 180 + -9
12n = 180 + -9

Combine like terms: 180 + -9 = 171
12n = 171

Divide each side by '12'.
n = 14.25

Simplifying
n = 14.25

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