S(7)=3n-1

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Solution for S(7)=3n-1 equation: 


Simplifying
S(7) = 3n + -1

Reorder the terms for easier multiplication:
7S = 3n + -1

Reorder the terms:
7S = -1 + 3n

Solving
7S = -1 + 3n

Solving for variable 'S'.

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

Divide each side by '7'.
S = -0.1428571429 + 0.4285714286n

Simplifying
S = -0.1428571429 + 0.4285714286n

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