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Simplifying f(x) = 7(2x + -4) + 5 Multiply f * x fx = 7(2x + -4) + 5 Reorder the terms: fx = 7(-4 + 2x) + 5 fx = (-4 * 7 + 2x * 7) + 5 fx = (-28 + 14x) + 5 Reorder the terms: fx = -28 + 5 + 14x Combine like terms: -28 + 5 = -23 fx = -23 + 14x Solving fx = -23 + 14x Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Divide each side by 'x'. f = -23x-1 + 14 Simplifying f = -23x-1 + 14 Reorder the terms: f = 14 + -23x-1
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