Question

Help me Solve? Again?

Answer 1

\[7^{x-5}=7^{4x+7}\]

Answer 2

x-5=4x-7
3x=2
x=2/3

Answer 3

A. x=-4

Answer 4

\[B. x=-\frac{ 12 }{ 5 }\]

Answer 5

\[C. x=\frac{ 2 }{ 3 }\]

Answer 6

sry x-5=4x+7
3x =-12
x=-4

Answer 7

I was thinking it was A :) thanks

Answer 8

x=-4 is correct
welcome:)

Answer 9

Can you help me with another one?

Answer 10

\[Solve. 64^{x}=16^{x-1}\]

Answer 11

A. x=-2

Answer 12

B. x=-1

Answer 13

64=4^3 16=4^2
4^3x=4^2(x-1)
3x=2x-1
x=-1

Answer 14

plz click best response if u understood

Answer 15

You're amazing! :D

Answer 16

I did :) But-1 is not the answer... I think x=-1/3

Answer 17

sry mate

Answer 18

3x=2(x-1)
x=2 it is right check this

Answer 19

It's all good :) thank you for your help!

Answer 20

@P.nut1996
x=2 is correct 100 % sure

Answer 21

Thanks :)