99-k=9k-9

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Solution for 99-k=9k-9 equation:


Simplifying
99 + -1k = 9k + -9

Reorder the terms:
99 + -1k = -9 + 9k

Solving
99 + -1k = -9 + 9k

Solving for variable 'k'.

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

Add '-9k' to each side of the equation.
99 + -1k + -9k = -9 + 9k + -9k

Combine like terms: -1k + -9k = -10k
99 + -10k = -9 + 9k + -9k

Combine like terms: 9k + -9k = 0
99 + -10k = -9 + 0
99 + -10k = -9

Add '-99' to each side of the equation.
99 + -99 + -10k = -9 + -99

Combine like terms: 99 + -99 = 0
0 + -10k = -9 + -99
-10k = -9 + -99

Combine like terms: -9 + -99 = -108
-10k = -108

Divide each side by '-10'.
k = 10.8

Simplifying
k = 10.8

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