Turn on thread page Beta
    • Thread Starter
    Offline

    8
    ReputationRep:
    Hi

    Can someone help me with the following question as stuck on it..

    Given that 4x = 85- x, find the value of x.Thanks
    Offline

    15
    ReputationRep:
    (Original post by ukheman)
    Hi

    Can someone help me with the following question as stuck on it..

    Given that 4x = 85-x, find the value of x.Thanks
    You sure this is C1? cos this looks like logs to me
    Offline

    1
    ReputationRep:
    (Original post by ukheman)
    Hi

    Can someone help me with the following question as stuck on it..

    Given that 4x = 85-x, find the value of x.Thanks

    4 is 2 squared and 8 is two cubed so...
    2^2x = 2^3(5-x)
    therefore 2x = 3(5-x)
    2x=15-3x
    5x=15
    x=3
    Offline

    19
    ReputationRep:
    Lazuli - full solutions aren't allowed on here - how does it help the OP?
    Offline

    1
    ReputationRep:
    (Original post by Muttley79)
    Lazuli - full solutions aren't allowed on here - how does it help the OP?
    was not aware of that - not the first full solution I've seen so...

    usually when someone asks for help I tend to give it, but I'll just give the answer next time :-)
    Offline

    19
    ReputationRep:
    (Original post by lazuli)
    was not aware of that - not the first full solution I've seen so...

    usually when someone asks for help I tend to give it, but I'll just give the answer next time :-)
    It's better to give a hint
    • Thread Starter
    Offline

    8
    ReputationRep:
    thanks
 
 
 
Poll
Cats or dogs?

The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE

Write a reply...
Reply
Hide
Reputation gems: You get these gems as you gain rep from other members for making good contributions and giving helpful advice.