f(2)=4*2+5

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Solution for f(2)=4*2+5 equation: 


Simplifying
f(2) = 4 * 2 + 5

Reorder the terms for easier multiplication:
2f = 4 * 2 + 5

Multiply 4 * 2
2f = 8 + 5

Combine like terms: 8 + 5 = 13
2f = 13

Solving
2f = 13

Solving for variable 'f'.

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

Divide each side by '2'.
f = 6.5

Simplifying
f = 6.5

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