+0

# logs pls help

0
43
2
+589

1. 4x+3=7x

2. log3(x2-22)=3

Apr 25, 2022

#1
+117121
+1

Hi Jenny,

It is nice to see you back again.

No.2

$$log_3(x^2-22)=3\\ 3^{log_3(x^2-22)}=3^3\\ x^2-22=27\\ x^2=49\\ x=\pm7$$

Can you please check the the first one is inputed correctly.

And next time put them on a seperate posts.  (1 post = 1 question)

Apr 25, 2022

#1
+117121
+1

Hi Jenny,

It is nice to see you back again.

No.2

$$log_3(x^2-22)=3\\ 3^{log_3(x^2-22)}=3^3\\ x^2-22=27\\ x^2=49\\ x=\pm7$$

Can you please check the the first one is inputed correctly.

And next time put them on a seperate posts.  (1 post = 1 question)

Melody Apr 25, 2022
#2
+589
+2

Thank you for your explanation, yes for several months I forgot this website's name until I remembered today lol. yes I inputed it wrong, ill put it into my next post thanks again！

xxJenny1213xx  Apr 25, 2022