Question

решите уравнение 5х⁺¹-3*5 ̽ =250

Answer 1

$5^{x+1}-3*5^{x}=250\\\\5^{x}*(5-3)=250\\\\5^{x}*2=250\\\\5^{x}=125\\\\5^{x} =5^{3} \\\\x=3\\\\Otvet:\boxed{3}$