3(n+7)=-9

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Solution for 3(n+7)=-9 equation: 


Simplifying
3(n + 7) = -9

Reorder the terms:
3(7 + n) = -9
(7 * 3 + n * 3) = -9
(21 + 3n) = -9

Solving
21 + 3n = -9

Solving for variable 'n'.

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

Add '-21' to each side of the equation.
21 + -21 + 3n = -9 + -21

Combine like terms: 21 + -21 = 0
0 + 3n = -9 + -21
3n = -9 + -21

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

Divide each side by '3'.
n = -10

Simplifying
n = -10

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