4-k=-9k

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Solution for 4-k=-9k equation:


Simplifying
4 + -1k = -9k

Solving
4 + -1k = -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.
4 + -1k + 9k = -9k + 9k

Combine like terms: -1k + 9k = 8k
4 + 8k = -9k + 9k

Combine like terms: -9k + 9k = 0
4 + 8k = 0

Add '-4' to each side of the equation.
4 + -4 + 8k = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 8k = 0 + -4
8k = 0 + -4

Combine like terms: 0 + -4 = -4
8k = -4

Divide each side by '8'.
k = -0.5

Simplifying
k = -0.5

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