2n=9[77-n]

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Solution for 2n=9[77-n] equation: 


Simplifying
2n = 9[77 + -1n]
2n = [77 * 9 + -1n * 9]
2n = [693 + -9n]

Solving
2n = 693 + -9n

Solving for variable 'n'.

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

Add '9n' to each side of the equation.
2n + 9n = 693 + -9n + 9n

Combine like terms: 2n + 9n = 11n
11n = 693 + -9n + 9n

Combine like terms: -9n + 9n = 0
11n = 693 + 0
11n = 693

Divide each side by '11'.
n = 63

Simplifying
n = 63

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