f(4)=9x-7

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Solution for f(4)=9x-7 equation: 


Simplifying
f(4) = 9x + -7

Reorder the terms for easier multiplication:
4f = 9x + -7

Reorder the terms:
4f = -7 + 9x

Solving
4f = -7 + 9x

Solving for variable 'f'.

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

Divide each side by '4'.
f = -1.75 + 2.25x

Simplifying
f = -1.75 + 2.25x

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