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04-09-2019
Mathematics

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kosala1478 kosala1478

04-09-2019

Answer:

P = (x - 2) + (12 - x) + (5 + 3x)

=x - 2 + 12 - x + 5 + 3x

=3x + 15

since P = 30,

30 =3x + 15

15 = 3x

5 = x

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