(3n-1)+5=21

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Solution for (3n-1)+5=21 equation:


Simplifying
(3n + -1) + 5 = 21

Reorder the terms:
(-1 + 3n) + 5 = 21

Remove parenthesis around (-1 + 3n)
-1 + 3n + 5 = 21

Reorder the terms:
-1 + 5 + 3n = 21

Combine like terms: -1 + 5 = 4
4 + 3n = 21

Solving
4 + 3n = 21

Solving for variable 'n'.

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

Add '-4' to each side of the equation.
4 + -4 + 3n = 21 + -4

Combine like terms: 4 + -4 = 0
0 + 3n = 21 + -4
3n = 21 + -4

Combine like terms: 21 + -4 = 17
3n = 17

Divide each side by '3'.
n = 5.666666667

Simplifying
n = 5.666666667

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