f(4+1)=-2f(4)

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Solution for f(4+1)=-2f(4) equation:


Simplifying
f(4 + 1) = -2f(4)

Combine like terms: 4 + 1 = 5
f(5) = -2f(4)

Reorder the terms for easier multiplication:
5f = -2f(4)

Reorder the terms for easier multiplication:
5f = -2 * 4f

Multiply -2 * 4
5f = -8f

Solving
5f = -8f

Solving for variable 'f'.

Move all terms containing f to the left, all other terms to the right.

Add '8f' to each side of the equation.
5f + 8f = -8f + 8f

Combine like terms: 5f + 8f = 13f
13f = -8f + 8f

Combine like terms: -8f + 8f = 0
13f = 0

Divide each side by '13'.
f = 0

Simplifying
f = 0

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