P/2-9=-2 - solution

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Solution for P/2-9=-2 equation:

P in (-oo:+oo)

P/2-9 = -2 // + 2

P/2-9+2 = 0

1/2*P-7 = 0 // + 7

1/2*P = 7 // : 1/2

P = 7/1/2

P = 14

P = 14

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