-7k-7=-21/2

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Solution for -7k-7=-21/2 equation: 


k in (-oo:+oo)

-7*k-7 = -21/2 // + -21/2

-7*k-(-21/2)-7 = 0

21/2-7*k-7 = 0

7/2-7*k = 0 // - 7/2

-7*k = -7/2 // : -7

k = -7/2/(-7)

k = 1/2

k = 1/2

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