3n+18=39-1n

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Solution for 3n+18=39-1n equation:


Simplifying
3n + 18 = 39 + -1n

Reorder the terms:
18 + 3n = 39 + -1n

Solving
18 + 3n = 39 + -1n

Solving for variable 'n'.

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

Add 'n' to each side of the equation.
18 + 3n + n = 39 + -1n + n

Combine like terms: 3n + n = 4n
18 + 4n = 39 + -1n + n

Combine like terms: -1n + n = 0
18 + 4n = 39 + 0
18 + 4n = 39

Add '-18' to each side of the equation.
18 + -18 + 4n = 39 + -18

Combine like terms: 18 + -18 = 0
0 + 4n = 39 + -18
4n = 39 + -18

Combine like terms: 39 + -18 = 21
4n = 21

Divide each side by '4'.
n = 5.25

Simplifying
n = 5.25

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