You are Here: Home

# C1 Homework watch

1. Hi

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

Given that 4x = 85- x, find the value of x.Thanks
2. (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
3. (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
4. Lazuli - full solutions aren't allowed on here - how does it help the OP?
5. (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 :-)
6. (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
7. thanks

TSR Support Team

We have a brilliant team of more than 60 Support Team members looking after discussions on The Student Room, helping to make it a fun, safe and useful place to hang out.

This forum is supported by:
Updated: September 9, 2015
Today on TSR

### Top unis in Clearing

Tons of places at all these high-ranking unis

### Why do women like men in suits?

Poll
Useful resources

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