10+k=-k

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Solution for 10+k=-k equation:


Simplifying
10 + k = -1k

Solving
10 + k = -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.
10 + k + k = -1k + k

Combine like terms: k + k = 2k
10 + 2k = -1k + k

Combine like terms: -1k + k = 0
10 + 2k = 0

Add '-10' to each side of the equation.
10 + -10 + 2k = 0 + -10

Combine like terms: 10 + -10 = 0
0 + 2k = 0 + -10
2k = 0 + -10

Combine like terms: 0 + -10 = -10
2k = -10

Divide each side by '2'.
k = -5

Simplifying
k = -5

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