a(4)=-17+(n-1)(3)

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Solution for a(4)=-17+(n-1)(3) equation:


Simplifying
a(4) = -17 + (n + -1)(3)

Reorder the terms for easier multiplication:
4a = -17 + (n + -1)(3)

Reorder the terms:
4a = -17 + (-1 + n)(3)

Reorder the terms for easier multiplication:
4a = -17 + 3(-1 + n)
4a = -17 + (-1 * 3 + n * 3)
4a = -17 + (-3 + 3n)

Combine like terms: -17 + -3 = -20
4a = -20 + 3n

Solving
4a = -20 + 3n

Solving for variable 'a'.

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

Divide each side by '4'.
a = -5 + 0.75n

Simplifying
a = -5 + 0.75n

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