6.9k+3.3=4.2k-2.1

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Solution for 6.9k+3.3=4.2k-2.1 equation: 


Simplifying
6.9k + 3.3 = 4.2k + -2.1

Reorder the terms:
3.3 + 6.9k = 4.2k + -2.1

Reorder the terms:
3.3 + 6.9k = -2.1 + 4.2k

Solving
3.3 + 6.9k = -2.1 + 4.2k

Solving for variable 'k'.

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

Add '-4.2k' to each side of the equation.
3.3 + 6.9k + -4.2k = -2.1 + 4.2k + -4.2k

Combine like terms: 6.9k + -4.2k = 2.7k
3.3 + 2.7k = -2.1 + 4.2k + -4.2k

Combine like terms: 4.2k + -4.2k = 0.0
3.3 + 2.7k = -2.1 + 0.0
3.3 + 2.7k = -2.1

Add '-3.3' to each side of the equation.
3.3 + -3.3 + 2.7k = -2.1 + -3.3

Combine like terms: 3.3 + -3.3 = 0.0
0.0 + 2.7k = -2.1 + -3.3
2.7k = -2.1 + -3.3

Combine like terms: -2.1 + -3.3 = -5.4
2.7k = -5.4

Divide each side by '2.7'.
k = -2

Simplifying
k = -2

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