0.7k-0.5+0.4k=2.8

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Solution for 0.7k-0.5+0.4k=2.8 equation:


Simplifying
0.7k + -0.5 + 0.4k = 2.8

Reorder the terms:
-0.5 + 0.7k + 0.4k = 2.8

Combine like terms: 0.7k + 0.4k = 1.1k
-0.5 + 1.1k = 2.8

Solving
-0.5 + 1.1k = 2.8

Solving for variable 'k'.

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

Add '0.5' to each side of the equation.
-0.5 + 0.5 + 1.1k = 2.8 + 0.5

Combine like terms: -0.5 + 0.5 = 0.0
0.0 + 1.1k = 2.8 + 0.5
1.1k = 2.8 + 0.5

Combine like terms: 2.8 + 0.5 = 3.3
1.1k = 3.3

Divide each side by '1.1'.
k = 3

Simplifying
k = 3

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