-9+6k-k=2(6+k)

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Solution for -9+6k-k=2(6+k) equation:


Simplifying
-9 + 6k + -1k = 2(6 + k)

Combine like terms: 6k + -1k = 5k
-9 + 5k = 2(6 + k)
-9 + 5k = (6 * 2 + k * 2)
-9 + 5k = (12 + 2k)

Solving
-9 + 5k = 12 + 2k

Solving for variable 'k'.

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

Add '-2k' to each side of the equation.
-9 + 5k + -2k = 12 + 2k + -2k

Combine like terms: 5k + -2k = 3k
-9 + 3k = 12 + 2k + -2k

Combine like terms: 2k + -2k = 0
-9 + 3k = 12 + 0
-9 + 3k = 12

Add '9' to each side of the equation.
-9 + 9 + 3k = 12 + 9

Combine like terms: -9 + 9 = 0
0 + 3k = 12 + 9
3k = 12 + 9

Combine like terms: 12 + 9 = 21
3k = 21

Divide each side by '3'.
k = 7

Simplifying
k = 7

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