-12(k+9)=12(1+9k)

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Solution for -12(k+9)=12(1+9k) equation:


Simplifying
-12(k + 9) = 12(1 + 9k)

Reorder the terms:
-12(9 + k) = 12(1 + 9k)
(9 * -12 + k * -12) = 12(1 + 9k)
(-108 + -12k) = 12(1 + 9k)
-108 + -12k = (1 * 12 + 9k * 12)
-108 + -12k = (12 + 108k)

Solving
-108 + -12k = 12 + 108k

Solving for variable 'k'.

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

Add '-108k' to each side of the equation.
-108 + -12k + -108k = 12 + 108k + -108k

Combine like terms: -12k + -108k = -120k
-108 + -120k = 12 + 108k + -108k

Combine like terms: 108k + -108k = 0
-108 + -120k = 12 + 0
-108 + -120k = 12

Add '108' to each side of the equation.
-108 + 108 + -120k = 12 + 108

Combine like terms: -108 + 108 = 0
0 + -120k = 12 + 108
-120k = 12 + 108

Combine like terms: 12 + 108 = 120
-120k = 120

Divide each side by '-120'.
k = -1

Simplifying
k = -1

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