20=5-k-4k

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Solution for 20=5-k-4k equation:


Simplifying
20 = 5 + -1k + -4k

Combine like terms: -1k + -4k = -5k
20 = 5 + -5k

Solving
20 = 5 + -5k

Solving for variable 'k'.

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

Add '5k' to each side of the equation.
20 + 5k = 5 + -5k + 5k

Combine like terms: -5k + 5k = 0
20 + 5k = 5 + 0
20 + 5k = 5

Add '-20' to each side of the equation.
20 + -20 + 5k = 5 + -20

Combine like terms: 20 + -20 = 0
0 + 5k = 5 + -20
5k = 5 + -20

Combine like terms: 5 + -20 = -15
5k = -15

Divide each side by '5'.
k = -3

Simplifying
k = -3

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