-9-10k=-k

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Solution for -9-10k=-k equation:


Simplifying
-9 + -10k = -1k

Solving
-9 + -10k = -1k

Solving for variable 'k'.

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

Add 'k' to each side of the equation.
-9 + -10k + k = -1k + k

Combine like terms: -10k + k = -9k
-9 + -9k = -1k + k

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

Add '9' to each side of the equation.
-9 + 9 + -9k = 0 + 9

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

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

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

Simplifying
k = -1

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