-21/20=k-3/10

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Solution for -21/20=k-3/10 equation: 


k in (-oo:+oo)

-21/20 = k-(3/10) // - k-(3/10)

3/10-k-21/20 = 0

-k-3/4 = 0 // + 3/4

-k = 3/4 // * -1

k = -3/4

k = -3/4

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