k+12=9k-4

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Solution for k+12=9k-4 equation:


Simplifying
k + 12 = 9k + -4

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

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

Solving
12 + 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.
12 + k + -9k = -4 + 9k + -9k

Combine like terms: k + -9k = -8k
12 + -8k = -4 + 9k + -9k

Combine like terms: 9k + -9k = 0
12 + -8k = -4 + 0
12 + -8k = -4

Add '-12' to each side of the equation.
12 + -12 + -8k = -4 + -12

Combine like terms: 12 + -12 = 0
0 + -8k = -4 + -12
-8k = -4 + -12

Combine like terms: -4 + -12 = -16
-8k = -16

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

Simplifying
k = 2

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