9+2k=8k-9

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Solution for 9+2k=8k-9 equation:


Simplifying
9 + 2k = 8k + -9

Reorder the terms:
9 + 2k = -9 + 8k

Solving
9 + 2k = -9 + 8k

Solving for variable 'k'.

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

Add '-8k' to each side of the equation.
9 + 2k + -8k = -9 + 8k + -8k

Combine like terms: 2k + -8k = -6k
9 + -6k = -9 + 8k + -8k

Combine like terms: 8k + -8k = 0
9 + -6k = -9 + 0
9 + -6k = -9

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

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

Combine like terms: -9 + -9 = -18
-6k = -18

Divide each side by '-6'.
k = 3

Simplifying
k = 3

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