4/2k-(2.1k-7.5)=28.6

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Solution for 4/2k-(2.1k-7.5)=28.6 equation: 


k in (-oo:+oo)

(4/2)*k-(2.1*k)+7.5 = 28.6 // - 28.6

(4/2)*k-(2.1*k)-28.6+7.5 = 0

(4/2)*k-2.1*k-28.6+7.5 = 0

-0.1*k-21.1 = 0 // + 21.1

-0.1*k = 21.1 // : -0.1

k = 21.1/(-0.1)

k = -211

k = -211

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