-3n+8=-21

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Solution for -3n+8=-21 equation: 


Simplifying
-3n + 8 = -21

Reorder the terms:
8 + -3n = -21

Solving
8 + -3n = -21

Solving for variable 'n'.

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

Add '-8' to each side of the equation.
8 + -8 + -3n = -21 + -8

Combine like terms: 8 + -8 = 0
0 + -3n = -21 + -8
-3n = -21 + -8

Combine like terms: -21 + -8 = -29
-3n = -29

Divide each side by '-3'.
n = 9.666666667

Simplifying
n = 9.666666667

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