f(3)=-2(3)-5

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Solution for f(3)=-2(3)-5 equation: 


Simplifying
f(3) = -2(3) + -5

Reorder the terms for easier multiplication:
3f = -2(3) + -5

Multiply -2 * 3
3f = -6 + -5

Combine like terms: -6 + -5 = -11
3f = -11

Solving
3f = -11

Solving for variable 'f'.

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

Divide each side by '3'.
f = -3.666666667

Simplifying
f = -3.666666667

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