p/-2+5=7 - solution

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Solution for p/-2+5=7 equation:

p in (-oo:+oo)

p/(-2)+5 = 7 // - 7

p/(-2)-7+5 = 0

-1/2*p-2 = 0 // + 2

-1/2*p = 2 // : -1/2

p = 2/(-1/2)

p = -4

p = -4

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