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Simplifying f(x) = 0.2(2) * x Multiply f * x fx = 0.2(2) * x Multiply 0.2 * 2 fx = 0.4x Solving fx = 0.4x Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Divide each side by 'x'. f = 0.4 Simplifying f = 0.4
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