4(5+3k)=-20

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Solution for 4(5+3k)=-20 equation: 


Simplifying
4(5 + 3k) = -20
(5 * 4 + 3k * 4) = -20
(20 + 12k) = -20

Solving
20 + 12k = -20

Solving for variable 'k'.

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

Add '-20' to each side of the equation.
20 + -20 + 12k = -20 + -20

Combine like terms: 20 + -20 = 0
0 + 12k = -20 + -20
12k = -20 + -20

Combine like terms: -20 + -20 = -40
12k = -40

Divide each side by '12'.
k = -3.333333333

Simplifying
k = -3.333333333

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