f(40)=50-10(40)

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Solution for f(40)=50-10(40) equation: 


Simplifying
f(40) = 50 + -10(40)

Reorder the terms for easier multiplication:
40f = 50 + -10(40)

Multiply -10 * 40
40f = 50 + -400

Combine like terms: 50 + -400 = -350
40f = -350

Solving
40f = -350

Solving for variable 'f'.

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

Divide each side by '40'.
f = -8.75

Simplifying
f = -8.75

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