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Simplifying f(x + 7) = 7X2 + 9(x + 7) + 1 Reorder the terms: f(7 + x) = 7X2 + 9(x + 7) + 1 (7 * f + x * f) = 7X2 + 9(x + 7) + 1 (7f + fx) = 7X2 + 9(x + 7) + 1 Reorder the terms: 7f + fx = 7X2 + 9(7 + x) + 1 7f + fx = 7X2 + (7 * 9 + x * 9) + 1 7f + fx = 7X2 + (63 + 9x) + 1 Reorder the terms: 7f + fx = 63 + 1 + 7X2 + 9x Combine like terms: 63 + 1 = 64 7f + fx = 64 + 7X2 + 9x Solving 7f + fx = 64 + 7X2 + 9x Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Reorder the terms: -64 + -7X2 + 7f + fx + -9x = 64 + 7X2 + 9x + -64 + -7X2 + -9x Reorder the terms: -64 + -7X2 + 7f + fx + -9x = 64 + -64 + 7X2 + -7X2 + 9x + -9x Combine like terms: 64 + -64 = 0 -64 + -7X2 + 7f + fx + -9x = 0 + 7X2 + -7X2 + 9x + -9x -64 + -7X2 + 7f + fx + -9x = 7X2 + -7X2 + 9x + -9x Combine like terms: 7X2 + -7X2 = 0 -64 + -7X2 + 7f + fx + -9x = 0 + 9x + -9x -64 + -7X2 + 7f + fx + -9x = 9x + -9x Combine like terms: 9x + -9x = 0 -64 + -7X2 + 7f + fx + -9x = 0 The solution to this equation could not be determined.
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