p/4+7=20 - solution

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Solution for p/4+7=20 equation:

p in (-oo:+oo)

p/4+7 = 20 // - 20

p/4-20+7 = 0

1/4*p-13 = 0 // + 13

1/4*p = 13 // : 1/4

p = 13/1/4

p = 52

p = 52

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