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Simplifying f(x + 4) = 4(x + 4) + -8 Reorder the terms: f(4 + x) = 4(x + 4) + -8 (4 * f + x * f) = 4(x + 4) + -8 (4f + fx) = 4(x + 4) + -8 Reorder the terms: 4f + fx = 4(4 + x) + -8 4f + fx = (4 * 4 + x * 4) + -8 4f + fx = (16 + 4x) + -8 Reorder the terms: 4f + fx = 16 + -8 + 4x Combine like terms: 16 + -8 = 8 4f + fx = 8 + 4x Solving 4f + fx = 8 + 4x Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Reorder the terms: -8 + 4f + fx + -4x = 8 + 4x + -8 + -4x Reorder the terms: -8 + 4f + fx + -4x = 8 + -8 + 4x + -4x Combine like terms: 8 + -8 = 0 -8 + 4f + fx + -4x = 0 + 4x + -4x -8 + 4f + fx + -4x = 4x + -4x Combine like terms: 4x + -4x = 0 -8 + 4f + fx + -4x = 0 The solution to this equation could not be determined.
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