9=15-k

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Solution for 9=15-k equation:


Simplifying
9 = 15 + -1k

Solving
9 = 15 + -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.
9 + k = 15 + -1k + k

Combine like terms: -1k + k = 0
9 + k = 15 + 0
9 + k = 15

Add '-9' to each side of the equation.
9 + -9 + k = 15 + -9

Combine like terms: 9 + -9 = 0
0 + k = 15 + -9
k = 15 + -9

Combine like terms: 15 + -9 = 6
k = 6

Simplifying
k = 6

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