Answers>Maths>GCSE>Article

Solve the following simultaneous equations: 6j+4k=40; 7j-3k=-7

j = 2, k = 7

CE
Answered by Catherine E. • Maths tutor

2868 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Triangle ABC has perimeter 20 cm. AB = 7 cm. BC = 4 cm. By calculation, deduce whether triangle ABC is a right-angled triangle.

Answered by Carter H.

How do you calculate ratios? Example question: 'White paint costs £2.80 per litre, Blue paint costs £3.50 per litre, White paint and blue paint are mixed in the ratio 3:2. Work out the cost of 18 litres of the mixture [4 marks]' AQA Mathematics (8300)

Answered by Zoe A.

Solve these simultaneous equations. 5x + 2y = 20 and x + 4y = 13.

Answered by Andrew B.

Solve the simultaneous equations: 4x + 7y = 1, 3x + 10y = 15.

Answered by Isabelle J.

We're here to help

contact us iconContact ustelephone 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 2013–2025

Terms & Conditions|Privacy Policy
CEOP logo
CLICK CEOP

Internet Safety

Sagepay logo

Payment Security

Cyber Essentials logo

Cyber

Essentials

Cookie Preferences