k+20=9k+4

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


Simplifying
k + 20 = 9k + 4

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

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

Solving
20 + k = 4 + 9k

Solving for variable 'k'.

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

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

Combine like terms: k + -9k = -8k
20 + -8k = 4 + 9k + -9k

Combine like terms: 9k + -9k = 0
20 + -8k = 4 + 0
20 + -8k = 4

Add '-20' to each side of the equation.
20 + -20 + -8k = 4 + -20

Combine like terms: 20 + -20 = 0
0 + -8k = 4 + -20
-8k = 4 + -20

Combine like terms: 4 + -20 = -16
-8k = -16

Divide each side by '-8'.
k = 2

Simplifying
k = 2

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