f(4)=7x+2

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Solution for f(4)=7x+2 equation: 


Simplifying
f(4) = 7x + 2

Reorder the terms for easier multiplication:
4f = 7x + 2

Reorder the terms:
4f = 2 + 7x

Solving
4f = 2 + 7x

Solving for variable 'f'.

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

Divide each side by '4'.
f = 0.5 + 1.75x

Simplifying
f = 0.5 + 1.75x

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