-4.2k+2.8=-1.2k+8.2

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Solution for -4.2k+2.8=-1.2k+8.2 equation: 


Simplifying
-4.2k + 2.8 = -1.2k + 8.2

Reorder the terms:
2.8 + -4.2k = -1.2k + 8.2

Reorder the terms:
2.8 + -4.2k = 8.2 + -1.2k

Solving
2.8 + -4.2k = 8.2 + -1.2k

Solving for variable 'k'.

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

Add '1.2k' to each side of the equation.
2.8 + -4.2k + 1.2k = 8.2 + -1.2k + 1.2k

Combine like terms: -4.2k + 1.2k = -3k
2.8 + -3k = 8.2 + -1.2k + 1.2k

Combine like terms: -1.2k + 1.2k = 0.0
2.8 + -3k = 8.2 + 0.0
2.8 + -3k = 8.2

Add '-2.8' to each side of the equation.
2.8 + -2.8 + -3k = 8.2 + -2.8

Combine like terms: 2.8 + -2.8 = 0.0
0.0 + -3k = 8.2 + -2.8
-3k = 8.2 + -2.8

Combine like terms: 8.2 + -2.8 = 5.4
-3k = 5.4

Divide each side by '-3'.
k = -1.8

Simplifying
k = -1.8

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