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Simplifying f(x + 4) = 9x + 4 Reorder the terms: f(4 + x) = 9x + 4 (4 * f + x * f) = 9x + 4 (4f + fx) = 9x + 4 Reorder the terms: 4f + fx = 4 + 9x Solving 4f + fx = 4 + 9x Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Reorder the terms: -4 + 4f + fx + -9x = 4 + 9x + -4 + -9x Reorder the terms: -4 + 4f + fx + -9x = 4 + -4 + 9x + -9x Combine like terms: 4 + -4 = 0 -4 + 4f + fx + -9x = 0 + 9x + -9x -4 + 4f + fx + -9x = 9x + -9x Combine like terms: 9x + -9x = 0 -4 + 4f + fx + -9x = 0 The solution to this equation could not be determined.
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