7/8(3k-4)=-21

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Solution for 7/8(3k-4)=-21 equation: 


k in (-oo:+oo)

(7/8)*(3*k-4) = -21 // + 21

(7/8)*(3*k-4)+21 = 0

7/8*(3*k-4)+21 = 0

7/8*(3*k-4)+21 = 0

21/8*k+35/2 = 0

21/8*k+35/2 = 0

21/8*k+35/2 = 0 // - 35/2

21/8*k = -35/2 // : 21/8

k = -35/2/21/8

k = -20/3

k = -20/3

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