f(9-1)+100=440

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Solution for f(9-1)+100=440 equation:


Simplifying
f(9 + -1) + 100 = 440

Combine like terms: 9 + -1 = 8
f(8) + 100 = 440

Reorder the terms for easier multiplication:
8f + 100 = 440

Reorder the terms:
100 + 8f = 440

Solving
100 + 8f = 440

Solving for variable 'f'.

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

Add '-100' to each side of the equation.
100 + -100 + 8f = 440 + -100

Combine like terms: 100 + -100 = 0
0 + 8f = 440 + -100
8f = 440 + -100

Combine like terms: 440 + -100 = 340
8f = 340

Divide each side by '8'.
f = 42.5

Simplifying
f = 42.5

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