Answers>Maths>GCSE>Article

solve the simultaneous equation: 5x+y =21 and x-3y=9

5x+y=215x-15y=45
16y = -24 y = -1.5
5x -1.5 =215x=22.5x=4.5

Answered by Caitlin M. • Maths tutor

2164 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Work out the value 125^(-2/3) (A* Exam Q)

Answered by Preveina M.

Solve these simultaneous equations. x^2+y^2=9, x-y+3=0

Answered by Adam B.

Simplify (2sin45 - tan45) / 4tan60

Answered by Safa M.

f(x) = 4x - m, g(x) = mx + 11, fg(x) = 8x + n. m and n are constants. Find the value of n.

Answered by Angus B.

We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

Company Information

CareersBlogSubject answersBecome a tutorSchoolsSafeguarding policyFAQsUsing the Online Lesson SpaceTestimonials & pressSitemap

Popular Requests

Maths tutorChemistry tutorPhysics tutorBiology tutorEnglish tutorGCSE tutorsA level tutorsIB tutorsPhysics & Maths tutorsChemistry & Maths tutorsGCSE Maths tutors

© MyTutorWeb Ltd 2013–2024

Terms & Conditions|Privacy Policy|Cookie Preferences
CEOP logo
CLICK CEOP

Internet Safety

Sagepay logo

Payment Security

Cyber Essentials logo

Cyber

Essentials

Cookie Preferences