k+20k-4=9

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Solution for k+20k-4=9 equation:


Simplifying
k + 20k + -4 = 9

Reorder the terms:
-4 + k + 20k = 9

Combine like terms: k + 20k = 21k
-4 + 21k = 9

Solving
-4 + 21k = 9

Solving for variable 'k'.

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

Add '4' to each side of the equation.
-4 + 4 + 21k = 9 + 4

Combine like terms: -4 + 4 = 0
0 + 21k = 9 + 4
21k = 9 + 4

Combine like terms: 9 + 4 = 13
21k = 13

Divide each side by '21'.
k = 0.619047619

Simplifying
k = 0.619047619

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