5-4k=21

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Solution for 5-4k=21 equation:


Simplifying
5 + -4k = 21

Solving
5 + -4k = 21

Solving for variable 'k'.

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

Add '-5' to each side of the equation.
5 + -5 + -4k = 21 + -5

Combine like terms: 5 + -5 = 0
0 + -4k = 21 + -5
-4k = 21 + -5

Combine like terms: 21 + -5 = 16
-4k = 16

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

Simplifying
k = -4

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