0.3k+1.4=4.2-0.1

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Solution for 0.3k+1.4=4.2-0.1 equation: 


Simplifying
0.3k + 1.4 = 4.2 + -0.1

Reorder the terms:
1.4 + 0.3k = 4.2 + -0.1

Combine like terms: 4.2 + -0.1 = 4.1
1.4 + 0.3k = 4.1

Solving
1.4 + 0.3k = 4.1

Solving for variable 'k'.

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

Add '-1.4' to each side of the equation.
1.4 + -1.4 + 0.3k = 4.1 + -1.4

Combine like terms: 1.4 + -1.4 = 0.0
0.0 + 0.3k = 4.1 + -1.4
0.3k = 4.1 + -1.4

Combine like terms: 4.1 + -1.4 = 2.7
0.3k = 2.7

Divide each side by '0.3'.
k = 9

Simplifying
k = 9

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