f(13)=2*13-3

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Solution for f(13)=2*13-3 equation: 


Simplifying
f(13) = 2 * 13 + -3

Reorder the terms for easier multiplication:
13f = 2 * 13 + -3

Multiply 2 * 13
13f = 26 + -3

Combine like terms: 26 + -3 = 23
13f = 23

Solving
13f = 23

Solving for variable 'f'.

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

Divide each side by '13'.
f = 1.769230769

Simplifying
f = 1.769230769

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