2[k-5]=9

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Solution for 2[k-5]=9 equation: 


Simplifying
2[k + -5] = 9

Reorder the terms:
2[-5 + k] = 9
[-5 * 2 + k * 2] = 9
[-10 + 2k] = 9

Solving
-10 + 2k = 9

Solving for variable 'k'.

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

Add '10' to each side of the equation.
-10 + 10 + 2k = 9 + 10

Combine like terms: -10 + 10 = 0
0 + 2k = 9 + 10
2k = 9 + 10

Combine like terms: 9 + 10 = 19
2k = 19

Divide each side by '2'.
k = 9.5

Simplifying
k = 9.5

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