Top answers

All subjects
All levels

Solve these simultaneous equations. 2x + y = 10 and 3x + 4y = 25.

2x + y = 10 (1)

3x + 4y = 25 (2)

1. Eliminate y.

Method 1:

(1) x 4:

DD
Answered by Daisy D. Maths tutor
11694 Views

When should I use the quadratic formula?

If you're asked to solve a quadratic equation, you could factorise it, or you could use the quadratic formula. The quickest way is to factorise, but sometimes the numbers are too tricky to factorise, (...

SM
Answered by Sarah M. Maths tutor
3606 Views

How can I prepare for the French oral exams?

Best way to prepare for an Oral exam:Practise speakingHave as much conversation in French as possible, with friends or a tutor (it doesn’t necessarily need to be on the topics, any...

EF
Answered by Eleanor F. French tutor
9760 Views

'ei' or 'ie'?

German spelling can be tricky to get to grips with when you first start learning, but there's a simple trick to remembering whether the word you're writing is 'ei'  (e.g. 'bleiben') or 'ie' (e.g. 'spie...

AH
Answered by Anita H. German tutor
3605 Views

When do I use 'sein' and when do I use 'haben' in the past tense?

The rule for this is simple, although can be somewhat confusing when you first start learning German! The rule is: if there's movement from one place to another, use 'sein'. If there's not, use...

AH
Answered by Anita H. German tutor
50763 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning