8.5+-2.7k=3.9k+-18.89

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Solution for 8.5+-2.7k=3.9k+-18.89 equation: 


Simplifying
8.5 + -2.7k = 3.9k + -18.89

Reorder the terms:
8.5 + -2.7k = -18.89 + 3.9k

Solving
8.5 + -2.7k = -18.89 + 3.9k

Solving for variable 'k'.

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

Add '-3.9k' to each side of the equation.
8.5 + -2.7k + -3.9k = -18.89 + 3.9k + -3.9k

Combine like terms: -2.7k + -3.9k = -6.6k
8.5 + -6.6k = -18.89 + 3.9k + -3.9k

Combine like terms: 3.9k + -3.9k = 0.0
8.5 + -6.6k = -18.89 + 0.0
8.5 + -6.6k = -18.89

Add '-8.5' to each side of the equation.
8.5 + -8.5 + -6.6k = -18.89 + -8.5

Combine like terms: 8.5 + -8.5 = 0.0
0.0 + -6.6k = -18.89 + -8.5
-6.6k = -18.89 + -8.5

Combine like terms: -18.89 + -8.5 = -27.39
-6.6k = -27.39

Divide each side by '-6.6'.
k = 4.15

Simplifying
k = 4.15

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