S(4)=72-12In(4+1)

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Solution for S(4)=72-12In(4+1) equation: 


Simplifying
S(4) = 72 + -12In(4 + 1)

Reorder the terms for easier multiplication:
4S = 72 + -12In(4 + 1)

Combine like terms: 4 + 1 = 5
4S = 72 + -12nI(5)

Reorder the terms for easier multiplication:
4S = 72 + -12 * 5nI

Multiply -12 * 5
4S = 72 + -60nI

Solving
4S = 72 + -60nI

Solving for variable 'S'.

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

Divide each side by '4'.
S = 18 + -15nI

Simplifying
S = 18 + -15nI

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