5k=4(k-1)

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Solution for 5k=4(k-1) equation: 


Simplifying
5k = 4(k + -1)

Reorder the terms:
5k = 4(-1 + k)
5k = (-1 * 4 + k * 4)
5k = (-4 + 4k)

Solving
5k = -4 + 4k

Solving for variable 'k'.

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

Add '-4k' to each side of the equation.
5k + -4k = -4 + 4k + -4k

Combine like terms: 5k + -4k = 1k
1k = -4 + 4k + -4k

Combine like terms: 4k + -4k = 0
1k = -4 + 0
1k = -4

Divide each side by '1'.
k = -4

Simplifying
k = -4

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