1-(k+2)=8

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


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

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

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

Solving
-1 + -1k = 8

Solving for variable 'k'.

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

Add '1' to each side of the equation.
-1 + 1 + -1k = 8 + 1

Combine like terms: -1 + 1 = 0
0 + -1k = 8 + 1
-1k = 8 + 1

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

Divide each side by '-1'.
k = -9

Simplifying
k = -9

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