Помогите...плииз!!!))))

Question

Помогите...плииз!!!))))

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Answer 1

(р+8)/7=4
р+8=4*7
р=28-8
р=20

Answer 2

(p+8)/7 = 4
p+8 = 4*7
p+8 = 28
p = 28-8
p = 20