-30+3n=-21

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Solution for -30+3n=-21 equation: 


Simplifying
-30 + 3n = -21

Solving
-30 + 3n = -21

Solving for variable 'n'.

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

Add '30' to each side of the equation.
-30 + 30 + 3n = -21 + 30

Combine like terms: -30 + 30 = 0
0 + 3n = -21 + 30
3n = -21 + 30

Combine like terms: -21 + 30 = 9
3n = 9

Divide each side by '3'.
n = 3

Simplifying
n = 3

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