Question

giúp mik đc k ạ? cảm ơn ạ ! :>

Answer 1

\(\Leftrightarrow5x=45\)

hay x=9

Answer 2

5x=45

x=9

Answer 3

\(\Rightarrow5x=69-24=45\\ \Rightarrow x=\dfrac{45}{5}=9\)

Answer 4

\(24+5x=69\Rightarrow5x=69-24=45\)

\(\Rightarrow x=45:5=9\)

Answer 5

24 + 5x = 69

<=> 5x = 45

<=> x = 9

Answer 6

Đáp án/:

X = 45 hoặc 9

Answer 7

5x=45

x=9

Answer 8

5x=69-24

  x=45:5

  x=9