[15-2K]=45

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Solution for [15-2K]=45 equation: 


Simplifying
[15 + -2K] = 45

Remove brackets around [15 + -2K]
15 + -2K = 45

Solving
15 + -2K = 45

Solving for variable 'K'.

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

Add '-15' to each side of the equation.
15 + -15 + -2K = 45 + -15

Combine like terms: 15 + -15 = 0
0 + -2K = 45 + -15
-2K = 45 + -15

Combine like terms: 45 + -15 = 30
-2K = 30

Divide each side by '-2'.
K = -15

Simplifying
K = -15

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