f(4)=2(4)+8

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Solution for f(4)=2(4)+8 equation: 


Simplifying
f(4) = 2(4) + 8

Reorder the terms for easier multiplication:
4f = 2(4) + 8

Multiply 2 * 4
4f = 8 + 8

Combine like terms: 8 + 8 = 16
4f = 16

Solving
4f = 16

Solving for variable 'f'.

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

Divide each side by '4'.
f = 4

Simplifying
f = 4

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