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Simplifying f(x) = 9 + 7f(3) Multiply f * x fx = 9 + 7f(3) Reorder the terms for easier multiplication: fx = 9 + 7 * 3f Multiply 7 * 3 fx = 9 + 21f Solving fx = 9 + 21f Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Add '-21f' to each side of the equation. -21f + fx = 9 + 21f + -21f Combine like terms: 21f + -21f = 0 -21f + fx = 9 + 0 -21f + fx = 9 Reorder the terms: -9 + -21f + fx = 9 + -9 Combine like terms: 9 + -9 = 0 -9 + -21f + fx = 0 The solution to this equation could not be determined.
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