(4-8)=0.80(2-K)

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Solution for (4-8)=0.80(2-K) equation: 


Simplifying
(4 + -8) = 0.80(2 + -1K)

Combine like terms: 4 + -8 = -4
(-4) = 0.80(2 + -1K)
-4 = 0.80(2 + -1K)
-4 = (2 * 0.80 + -1K * 0.80)
-4 = (1.6 + -0.8K)

Solving
-4 = 1.6 + -0.8K

Solving for variable 'K'.

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

Add '0.8K' to each side of the equation.
-4 + 0.8K = 1.6 + -0.8K + 0.8K

Combine like terms: -0.8K + 0.8K = 0.0
-4 + 0.8K = 1.6 + 0.0
-4 + 0.8K = 1.6

Add '4' to each side of the equation.
-4 + 4 + 0.8K = 1.6 + 4

Combine like terms: -4 + 4 = 0
0 + 0.8K = 1.6 + 4
0.8K = 1.6 + 4

Combine like terms: 1.6 + 4 = 5.6
0.8K = 5.6

Divide each side by '0.8'.
K = 7

Simplifying
K = 7

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