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Please help with this algebra question!!

10 replies

Grrrrrrrrrrrrrrrr · 07/01/2024 15:53

No calculators allowed. Not sure that would help anyway as I can't think where to begin!

Thanks in advance 🙏🏻

Please help with this algebra question!!
OP posts:
AnotherAdventFridge · 07/01/2024 16:01

I'd start with
2^6 = 64
and
2^9=512

merryhouse · 07/01/2024 16:03

Yep, always good to have the powers of 2 in your Easy Recall memory ;-)

Failing that, the first thing to do in a question like this is to find the common factors - which in this case would lead you to the powers of 2.

Grrrrrrrrrrrrrrrr · 07/01/2024 16:08

Thank you both, I can sort of see a glimmer but my tired brain cannot take it any further. Would one of you have time to write out all the working for me?

OP posts:
AnotherAdventFridge · 07/01/2024 16:20

5125 = 2(9x5) = 2^45

2^6 = 64
so
64^(45/6) = 64^X

x=45/6

AnotherAdventFridge · 07/01/2024 16:23

FFS I still need to put some more ^ in there

Grrrrrrrrrrrrrrrr · 07/01/2024 16:24

Thank you! So x = 7.5? Or should it be left as a fraction?

OP posts:
Januarydontbecool · 07/01/2024 16:27

Yes, either 7.5 or 15/2.

Please help with this algebra question!!
Januarydontbecool · 07/01/2024 16:28

Thanks to@AnotherAdventFridge for the first step.

Grrrrrrrrrrrrrrrr · 07/01/2024 16:32

Thank you all, I'm v grateful 😊

OP posts:
AnotherAdventFridge · 07/01/2024 16:52

@Januarydontbecool it would have been so much simpler using paper Grin

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