f(-2)=-5-7

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Solution for f(-2)=-5-7 equation: 


Simplifying
f(-2) = -5 + -7

Reorder the terms for easier multiplication:
-2f = -5 + -7

Combine like terms: -5 + -7 = -12
-2f = -12

Solving
-2f = -12

Solving for variable 'f'.

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

Divide each side by '-2'.
f = 6

Simplifying
f = 6

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