1-2k=-9

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Solution for 1-2k=-9 equation: 


Simplifying
1 + -2k = -9

Solving
1 + -2k = -9

Solving for variable 'k'.

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

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

Combine like terms: 1 + -1 = 0
0 + -2k = -9 + -1
-2k = -9 + -1

Combine like terms: -9 + -1 = -10
-2k = -10

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

Simplifying
k = 5

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