Question

1005 mũ 2. 1005 mũ x =1005 mũ 7

(dấu chấm là nhân nhé)

 

Answer 1

\(1005^2\cdot1005^x=1005^7\)

\(1005^{x+2}=1005^7\)

\(\Rightarrow x+2=7\)

\(\Leftrightarrow x=5\)

Answer 2

Tra loi

X = 5

Hok tot 

Bn cs the chep , tham khao bn Bui Huyen

Answer 3

\(1005^2.1005^x=1005^7\)

\(\Rightarrow1005^x=1005^7:1005^2\)

\(\Rightarrow1005^x=1005^5\)

\(\Rightarrow x=5\)

Vậy x = 5

Answer 4

TL: x=5