3n+5=77-9n

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Solution for 3n+5=77-9n equation:


Simplifying
3n + 5 = 77 + -9n

Reorder the terms:
5 + 3n = 77 + -9n

Solving
5 + 3n = 77 + -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.
5 + 3n + 9n = 77 + -9n + 9n

Combine like terms: 3n + 9n = 12n
5 + 12n = 77 + -9n + 9n

Combine like terms: -9n + 9n = 0
5 + 12n = 77 + 0
5 + 12n = 77

Add '-5' to each side of the equation.
5 + -5 + 12n = 77 + -5

Combine like terms: 5 + -5 = 0
0 + 12n = 77 + -5
12n = 77 + -5

Combine like terms: 77 + -5 = 72
12n = 72

Divide each side by '12'.
n = 6

Simplifying
n = 6

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