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