Question

ДАМ 20 БАЛЛОВ!!!!!!!!!!!!!!!!!!

Answer 1

$(7p+3p+5)-(7p-4)=(10p+5)-7p+4=10p+5-7p+4=3p+9$

Answer 2

Ответ:

(7p+3p+5)−(7p−4)=(10p+5)−7p+4=10p+5−7p+4=3p+9