f(5)=4-8(5)

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Solution for f(5)=4-8(5) equation: 


Simplifying
f(5) = 4 + -8(5)

Reorder the terms for easier multiplication:
5f = 4 + -8(5)

Multiply -8 * 5
5f = 4 + -40

Combine like terms: 4 + -40 = -36
5f = -36

Solving
5f = -36

Solving for variable 'f'.

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

Divide each side by '5'.
f = -7.2

Simplifying
f = -7.2

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