1+2k=k-9

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Solution for 1+2k=k-9 equation:


Simplifying
1 + 2k = k + -9

Reorder the terms:
1 + 2k = -9 + k

Solving
1 + 2k = -9 + k

Solving for variable 'k'.

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

Add '-1k' to each side of the equation.
1 + 2k + -1k = -9 + k + -1k

Combine like terms: 2k + -1k = 1k
1 + 1k = -9 + k + -1k

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

Add '-1' to each side of the equation.
1 + -1 + 1k = -9 + -1

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

Combine like terms: -9 + -1 = -10
1k = -10

Divide each side by '1'.
k = -10

Simplifying
k = -10

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