f(n)=-6.75-0.5(n-1)

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Solution for f(n)=-6.75-0.5(n-1) equation: 


Simplifying
f(n) = -6.75 + -0.5(n + -1)

Multiply f * n
fn = -6.75 + -0.5(n + -1)

Reorder the terms:
fn = -6.75 + -0.5(-1 + n)
fn = -6.75 + (-1 * -0.5 + n * -0.5)
fn = -6.75 + (0.5 + -0.5n)

Combine like terms: -6.75 + 0.5 = -6.25
fn = -6.25 + -0.5n

Solving
fn = -6.25 + -0.5n

Solving for variable 'f'.

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

Divide each side by 'n'.
f = -6.25n-1 + -0.5

Simplifying
f = -6.25n-1 + -0.5

Reorder the terms:
f = -0.5 + -6.25n-1

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