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Simplifying f(x) = 2x + 5f(4) Multiply f * x fx = 2x + 5f(4) Reorder the terms for easier multiplication: fx = 2x + 5 * 4f Multiply 5 * 4 fx = 2x + 20f Reorder the terms: fx = 20f + 2x Solving fx = 20f + 2x Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Add '-20f' to each side of the equation. -20f + fx = 20f + -20f + 2x Combine like terms: 20f + -20f = 0 -20f + fx = 0 + 2x -20f + fx = 2x Combine like terms: 2x + -2x = 0 -20f + fx + -2x = 0 The solution to this equation could not be determined.
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