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Simplifying f(x) = x + -20 Multiply f * x fx = x + -20 Reorder the terms: fx = -20 + x Solving fx = -20 + x Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Divide each side by 'x'. f = -20x-1 + 1 Simplifying f = -20x-1 + 1 Reorder the terms: f = 1 + -20x-1
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