5k-20=-40

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Solution for 5k-20=-40 equation: 


Simplifying
5k + -20 = -40

Reorder the terms:
-20 + 5k = -40

Solving
-20 + 5k = -40

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 + 5k = -40 + 20

Combine like terms: -20 + 20 = 0
0 + 5k = -40 + 20
5k = -40 + 20

Combine like terms: -40 + 20 = -20
5k = -20

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

Simplifying
k = -4

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