81n=n-3(-5+4n)

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Solution for 81n=n-3(-5+4n) equation:


Simplifying
81n = n + -3(-5 + 4n)
81n = n + (-5 * -3 + 4n * -3)
81n = n + (15 + -12n)

Reorder the terms:
81n = 15 + n + -12n

Combine like terms: n + -12n = -11n
81n = 15 + -11n

Solving
81n = 15 + -11n

Solving for variable 'n'.

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

Add '11n' to each side of the equation.
81n + 11n = 15 + -11n + 11n

Combine like terms: 81n + 11n = 92n
92n = 15 + -11n + 11n

Combine like terms: -11n + 11n = 0
92n = 15 + 0
92n = 15

Divide each side by '92'.
n = 0.1630434783

Simplifying
n = 0.1630434783

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