f(4)=5(4)-7

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Solution for f(4)=5(4)-7 equation: 


Simplifying
f(4) = 5(4) + -7

Reorder the terms for easier multiplication:
4f = 5(4) + -7

Multiply 5 * 4
4f = 20 + -7

Combine like terms: 20 + -7 = 13
4f = 13

Solving
4f = 13

Solving for variable 'f'.

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

Divide each side by '4'.
f = 3.25

Simplifying
f = 3.25

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