Question

14(р-30)•12 решите уравнение

Answer 1

(14p-420)*12=0 
168p-5040=0
p=30

Answer 2

14-(р-30)=630

Answer 3

$14(p-30)*12=0\168(p-30)=0\168p-5040=0\168p=5040\p= frac{5040}{168} \ p=30$