5k+21=6

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Solution for 5k+21=6 equation: 


Simplifying
5k + 21 = 6

Reorder the terms:
21 + 5k = 6

Solving
21 + 5k = 6

Solving for variable 'k'.

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

Add '-21' to each side of the equation.
21 + -21 + 5k = 6 + -21

Combine like terms: 21 + -21 = 0
0 + 5k = 6 + -21
5k = 6 + -21

Combine like terms: 6 + -21 = -15
5k = -15

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

Simplifying
k = -3

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