-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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