Question

solve the qno 20 fast​

Answer 1

SEE THE AATACHMENT YOUR ANSWER IS THIS AND I THINK IT IS CORRECT

#TOGETHER WE GO FAR✔✔

Answer 2

Answer:

→3^x-8=3^(2-x)

→3^x-8=9/3^x

let 3^x be a

→a-8=9/a

→a²-8a-9=0

→a²-9a+a-9=0

→a(a-9)+1(a-9)=0

a =-1 and 9

but 3^x≠-1 since it should be positive

→3^x=9

→3^x=3²

x=2