7/8=21/-2p

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Solution for 7/8=21/-2p equation: 


p in (-oo:+oo)

7/8 = (21/(-2))*p // - (21/(-2))*p

7/8-((21/(-2))*p) = 0

(21/2)*p+7/8 = 0

21/2*p+7/8 = 0 // - 7/8

21/2*p = -7/8 // : 21/2

p = -7/8/21/2

p = -1/12

p = -1/12

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