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Simplifying y[n] + -0.5y[n] + 0.25y[n + -2] = x[n] Multiply y * n ny + -0.5y[n] + 0.25y[n + -2] = x[n] Multiply y * n ny + -0.5ny + 0.25y[n + -2] = x[n] Reorder the terms: ny + -0.5ny + 0.25y[-2 + n] = x[n] ny + -0.5ny + [-2 * 0.25y + n * 0.25y] = x[n] Reorder the terms: ny + -0.5ny + [0.25ny + -0.5y] = x[n] ny + -0.5ny + [0.25ny + -0.5y] = x[n] Combine like terms: ny + -0.5ny = 0.5ny 0.5ny + 0.25ny + -0.5y = x[n] Combine like terms: 0.5ny + 0.25ny = 0.75ny 0.75ny + -0.5y = x[n] Multiply x * n 0.75ny + -0.5y = nx Solving 0.75ny + -0.5y = nx Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-1nx' to each side of the equation. 0.75ny + -1nx + -0.5y = nx + -1nx Reorder the terms: -1nx + 0.75ny + -0.5y = nx + -1nx Combine like terms: nx + -1nx = 0 -1nx + 0.75ny + -0.5y = 0 Add '0.5y' to each side of the equation. -1nx + 0.75ny + -0.5y + 0.5y = 0 + 0.5y Combine like terms: -0.5y + 0.5y = 0.0 -1nx + 0.75ny + 0.0 = 0 + 0.5y -1nx + 0.75ny = 0 + 0.5y Remove the zero: -1nx + 0.75ny = 0.5y Combine like terms: 0.5y + -0.5y = 0.0 -1nx + 0.75ny + -0.5y = 0.0 The solution to this equation could not be determined.
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