f(-3)=3-4(-3)

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


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

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

Multiply -4 * -3
-3f = 3 + 12

Combine like terms: 3 + 12 = 15
-3f = 15

Solving
-3f = 15

Solving for variable 'f'.

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

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

Simplifying
f = -5

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