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Simplifying R(r + f) = rf Reorder the terms: R(f + r) = rf (f * R + r * R) = rf (fR + rR) = rf Solving fR + rR = fr 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. fR + -1fr + rR = fr + -1fr Combine like terms: fr + -1fr = 0 fR + -1fr + rR = 0 Add '-1rR' to each side of the equation. fR + -1fr + rR + -1rR = 0 + -1rR Combine like terms: rR + -1rR = 0 fR + -1fr + 0 = 0 + -1rR fR + -1fr = 0 + -1rR Remove the zero: fR + -1fr = -1rR Combine like terms: -1rR + rR = 0 fR + -1fr + rR = 0 The solution to this equation could not be determined.
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