f(40)=-3(40)+4

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Solution for f(40)=-3(40)+4 equation: 


Simplifying
f(40) = -3(40) + 4

Reorder the terms for easier multiplication:
40f = -3(40) + 4

Multiply -3 * 40
40f = -120 + 4

Combine like terms: -120 + 4 = -116
40f = -116

Solving
40f = -116

Solving for variable 'f'.

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

Divide each side by '40'.
f = -2.9

Simplifying
f = -2.9

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