9=Rf+0.8-.08x

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Solution for 9=Rf+0.8-.08x equation:


Simplifying
9 = Rf + 0.8 + -0.08x

Reorder the terms:
9 = 0.8 + fR + -0.08x

Solving
9 = 0.8 + fR + -0.08x

Solving for variable 'f'.

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

Add '-1fR' to each side of the equation.
9 + -1fR = 0.8 + fR + -1fR + -0.08x

Combine like terms: fR + -1fR = 0
9 + -1fR = 0.8 + 0 + -0.08x
9 + -1fR = 0.8 + -0.08x

Add '-9' to each side of the equation.
9 + -9 + -1fR = 0.8 + -9 + -0.08x

Combine like terms: 9 + -9 = 0
0 + -1fR = 0.8 + -9 + -0.08x
-1fR = 0.8 + -9 + -0.08x

Combine like terms: 0.8 + -9 = -8.2
-1fR = -8.2 + -0.08x

Divide each side by '-1R'.
f = 8.2R-1 + 0.08xR-1

Simplifying
f = 8.2R-1 + 0.08xR-1

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