f(4)=42+2(4)+1

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Solution for f(4)=42+2(4)+1 equation: 


Simplifying
f(4) = 42 + 2(4) + 1

Reorder the terms for easier multiplication:
4f = 42 + 2(4) + 1

Multiply 2 * 4
4f = 42 + 8 + 1

Combine like terms: 42 + 8 = 50
4f = 50 + 1

Combine like terms: 50 + 1 = 51
4f = 51

Solving
4f = 51

Solving for variable 'f'.

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

Divide each side by '4'.
f = 12.75

Simplifying
f = 12.75

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