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Simplifying f(2) = f(2 + -1) + 7 Reorder the terms for easier multiplication: 2f = f(2 + -1) + 7 Combine like terms: 2 + -1 = 1 2f = f(1) + 7 Reorder the terms for easier multiplication: 2f = 1f + 7 Reorder the terms: 2f = 7 + 1f Solving 2f = 7 + 1f Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Add '-1f' to each side of the equation. 2f + -1f = 7 + 1f + -1f Combine like terms: 2f + -1f = 1f 1f = 7 + 1f + -1f Combine like terms: 1f + -1f = 0 1f = 7 + 0 1f = 7 Divide each side by '1'. f = 7 Simplifying f = 7
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