Question

ln2x=4 solve for x

Answer 1

it is 2

Answer 2

tell her how to find the answer @victoriajustice

Answer 3

oh ok

Answer 4

2

Answer 5

i divided 4/2 because it multiplication and you get the answer2

Answer 6

Its actually not that cute simple my question is LN2x=4 Ln" log e"

Answer 7

\[\log_{a} b=c\]
can be written as
\[b=a^c\]

Answer 8

a=base
and ln has base=e

Answer 9

what

Answer 10

do you want me to help you

Answer 11

@victoriajustice you ignored the ln by simply dividing by 2

Answer 12

oh

Answer 13

Look at gorv's explanation above.

Answer 14

do we need to multiply

Answer 15

Don't worry about it, this math is probably a little higher than what you've taken. You will learn it eventually in pre-calc.

Answer 16

doe that mean pre -calculus

Answer 17

Still you guys can anybody solve it

Answer 18

yes

Answer 19

just give us a minute

Answer 20

ln2x is just \[\log_{e} {2x} =4\]

Answer 21

@AliaaAliHassan again look at gorv's explanation he basically told you the answer.

Answer 22

\[e ^{4}\]=2x

Answer 23

x=e^4/2

Answer 24

i thought it was x=1/2 e to the power of 4

Answer 25

can you help me guys with this also e^x(x^2-1)=0

Answer 26

do you have to sole for x

Answer 27

cause if you do it would be 1,-1