9-(-2k)=1

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Solution for 9-(-2k)=1 equation: 


Simplifying
9 + -1(-2k) = 1

Remove parenthesis around (-2k)
9 + -1 * -2k = 1

Multiply -1 * -2
9 + 2k = 1

Solving
9 + 2k = 1

Solving for variable 'k'.

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

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

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

Combine like terms: 1 + -9 = -8
2k = -8

Divide each side by '2'.
k = -4

Simplifying
k = -4

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