f(x)=9x-cosx

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Solution for f(x)=9x-cosx equation: 


Simplifying
f(x) = 9x + -1cosx

Multiply f * x
fx = 9x + -1cosx

Reorder the terms:
fx = -1cosx + 9x

Solving
fx = -1cosx + 9x

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -1cos + 9

Simplifying
f = -1cos + 9

Reorder the terms:
f = 9 + -1cos

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