The Student Room Group

This discussion is no longer active so you won't be able to reply.Check out other Related discussions

GCSE maths help

The question is:
Given that x=5/9y+5 and y=5/5a-2
Find an expression for x in terms of a.
Give your expression as a single fraction in its simplest form.
Reply 1
Original post by stoney22
The question is:
Given that x=5/9y+5 and y=5/5a-2
Find an expression for x in terms of a.
Give your expression as a single fraction in its simplest form.

What have you tried and where is the question from? Can you upload an image?
(edited 2 years ago)
Fun question.
I think I did it a really inefficient way but here are some hints...
Substitute eq 2 into eq 1
Simplify
You end up with ? - 2 / 7a + ?
Original post by Maximus The 1st
Fun question.
I think I did it a really inefficient way but here are some hints...
Substitute eq 2 into eq 1
Simplify
You end up with ? - 2 / 7a + ?

only a year late :biggrin:

Latest