9-5k=12-1(6k+7)

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Solution for 9-5k=12-1(6k+7) equation:


Simplifying
9 + -5k = 12 + -1(6k + 7)

Reorder the terms:
9 + -5k = 12 + -1(7 + 6k)
9 + -5k = 12 + (7 * -1 + 6k * -1)
9 + -5k = 12 + (-7 + -6k)

Combine like terms: 12 + -7 = 5
9 + -5k = 5 + -6k

Solving
9 + -5k = 5 + -6k

Solving for variable 'k'.

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

Add '6k' to each side of the equation.
9 + -5k + 6k = 5 + -6k + 6k

Combine like terms: -5k + 6k = 1k
9 + 1k = 5 + -6k + 6k

Combine like terms: -6k + 6k = 0
9 + 1k = 5 + 0
9 + 1k = 5

Add '-9' to each side of the equation.
9 + -9 + 1k = 5 + -9

Combine like terms: 9 + -9 = 0
0 + 1k = 5 + -9
1k = 5 + -9

Combine like terms: 5 + -9 = -4
1k = -4

Divide each side by '1'.
k = -4

Simplifying
k = -4

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