y[n]=x[n]+y[n-1]-0.5y[n-2]

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Solution for y[n]=x[n]+y[n-1]-0.5y[n-2] equation:


Simplifying
y[n] = x[n] + y[n + -1] + -0.5y[n + -2]

Multiply y * n
ny = x[n] + y[n + -1] + -0.5y[n + -2]

Multiply x * n
ny = nx + y[n + -1] + -0.5y[n + -2]

Reorder the terms:
ny = nx + y[-1 + n] + -0.5y[n + -2]
ny = nx + [-1 * y + n * y] + -0.5y[n + -2]

Reorder the terms:
ny = nx + [ny + -1y] + -0.5y[n + -2]
ny = nx + [ny + -1y] + -0.5y[n + -2]

Reorder the terms:
ny = nx + ny + -1y + -0.5y[-2 + n]
ny = nx + ny + -1y + [-2 * -0.5y + n * -0.5y]

Reorder the terms:
ny = nx + ny + -1y + [-0.5ny + 1y]
ny = nx + ny + -1y + [-0.5ny + 1y]

Reorder the terms:
ny = nx + ny + -0.5ny + -1y + 1y

Combine like terms: ny + -0.5ny = 0.5ny
ny = nx + 0.5ny + -1y + 1y

Combine like terms: -1y + 1y = 0
ny = nx + 0.5ny + 0
ny = nx + 0.5ny

Solving
ny = nx + 0.5ny

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.
-1nx + ny = nx + -1nx + 0.5ny

Combine like terms: nx + -1nx = 0
-1nx + ny = 0 + 0.5ny
-1nx + ny = 0.5ny

Add '-0.5ny' to each side of the equation.
-1nx + ny + -0.5ny = 0.5ny + -0.5ny

Combine like terms: ny + -0.5ny = 0.5ny
-1nx + 0.5ny = 0.5ny + -0.5ny

Combine like terms: 0.5ny + -0.5ny = 0.0
-1nx + 0.5ny = 0.0

The solution to this equation could not be determined.

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