-9=k+2k

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Solution for -9=k+2k equation:


Simplifying
-9 = k + 2k

Combine like terms: k + 2k = 3k
-9 = 3k

Solving
-9 = 3k

Solving for variable 'k'.

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

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

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

Add '9' to each side of the equation.
-9 + 9 + -3k = 0 + 9

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

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

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

Simplifying
k = -3

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