7-8p/2=28

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Solution for 7-8p/2=28 equation: 


p in (-oo:+oo)

7-((8*p)/2) = 28 // - 28

7-((8*p)/2)-28 = 0

7-4*p-28 = 0

-4*p-21 = 0 // + 21

-4*p = 21 // : -4

p = 21/(-4)

p = -21/4

p = -21/4

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