2.8-3k/8=-4.2

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Solution for 2.8-3k/8=-4.2 equation: 


k in (-oo:+oo)

2.8-((3*k)/8) = -4.2 // + 4.2

2.8-((3*k)/8)+4.2 = 0

(-3/8)*k+2.8+4.2 = 0

7-3/8*k = 0 // - 7

-3/8*k = -7 // : -3/8

k = -7/(-3/8)

k = 56/3

k = 56/3

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