5(4-k)=-10k

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Solution for 5(4-k)=-10k equation:


Simplifying
5(4 + -1k) = -10k
(4 * 5 + -1k * 5) = -10k
(20 + -5k) = -10k

Solving
20 + -5k = -10k

Solving for variable 'k'.

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

Add '10k' to each side of the equation.
20 + -5k + 10k = -10k + 10k

Combine like terms: -5k + 10k = 5k
20 + 5k = -10k + 10k

Combine like terms: -10k + 10k = 0
20 + 5k = 0

Add '-20' to each side of the equation.
20 + -20 + 5k = 0 + -20

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

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

Divide each side by '5'.
k = -4

Simplifying
k = -4

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