3-9k=-k-9

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Solution for 3-9k=-k-9 equation:


Simplifying
3 + -9k = -1k + -9

Reorder the terms:
3 + -9k = -9 + -1k

Solving
3 + -9k = -9 + -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.
3 + -9k + k = -9 + -1k + k

Combine like terms: -9k + k = -8k
3 + -8k = -9 + -1k + k

Combine like terms: -1k + k = 0
3 + -8k = -9 + 0
3 + -8k = -9

Add '-3' to each side of the equation.
3 + -3 + -8k = -9 + -3

Combine like terms: 3 + -3 = 0
0 + -8k = -9 + -3
-8k = -9 + -3

Combine like terms: -9 + -3 = -12
-8k = -12

Divide each side by '-8'.
k = 1.5

Simplifying
k = 1.5

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