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

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


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

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

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

Combine like terms: -6 + 2 = -4
-2f = -4

Solving
-2f = -4

Solving for variable 'f'.

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

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

Simplifying
f = 2

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