3n-5=-21+n

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Solution for 3n-5=-21+n equation:


Simplifying
3n + -5 = -21 + n

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

Solving
-5 + 3n = -21 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
-5 + 3n + -1n = -21 + n + -1n

Combine like terms: 3n + -1n = 2n
-5 + 2n = -21 + n + -1n

Combine like terms: n + -1n = 0
-5 + 2n = -21 + 0
-5 + 2n = -21

Add '5' to each side of the equation.
-5 + 5 + 2n = -21 + 5

Combine like terms: -5 + 5 = 0
0 + 2n = -21 + 5
2n = -21 + 5

Combine like terms: -21 + 5 = -16
2n = -16

Divide each side by '2'.
n = -8

Simplifying
n = -8

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