f(-5)=5(-5)+40

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Solution for f(-5)=5(-5)+40 equation: 


Simplifying
f(-5) = 5(-5) + 40

Reorder the terms for easier multiplication:
-5f = 5(-5) + 40

Multiply 5 * -5
-5f = -25 + 40

Combine like terms: -25 + 40 = 15
-5f = 15

Solving
-5f = 15

Solving for variable 'f'.

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

Divide each side by '-5'.
f = -3

Simplifying
f = -3

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