-2(k-1)=8+(1+k)

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Solution for -2(k-1)=8+(1+k) equation:


Simplifying
-2(k + -1) = 8 + (1 + k)

Reorder the terms:
-2(-1 + k) = 8 + (1 + k)
(-1 * -2 + k * -2) = 8 + (1 + k)
(2 + -2k) = 8 + (1 + k)

Remove parenthesis around (1 + k)
2 + -2k = 8 + 1 + k

Combine like terms: 8 + 1 = 9
2 + -2k = 9 + k

Solving
2 + -2k = 9 + k

Solving for variable 'k'.

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

Add '-1k' to each side of the equation.
2 + -2k + -1k = 9 + k + -1k

Combine like terms: -2k + -1k = -3k
2 + -3k = 9 + k + -1k

Combine like terms: k + -1k = 0
2 + -3k = 9 + 0
2 + -3k = 9

Add '-2' to each side of the equation.
2 + -2 + -3k = 9 + -2

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

Combine like terms: 9 + -2 = 7
-3k = 7

Divide each side by '-3'.
k = -2.333333333

Simplifying
k = -2.333333333

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