7(n-12)=-21

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Solution for 7(n-12)=-21 equation:


Simplifying
7(n + -12) = -21

Reorder the terms:
7(-12 + n) = -21
(-12 * 7 + n * 7) = -21
(-84 + 7n) = -21

Solving
-84 + 7n = -21

Solving for variable 'n'.

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

Add '84' to each side of the equation.
-84 + 84 + 7n = -21 + 84

Combine like terms: -84 + 84 = 0
0 + 7n = -21 + 84
7n = -21 + 84

Combine like terms: -21 + 84 = 63
7n = 63

Divide each side by '7'.
n = 9

Simplifying
n = 9

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