Show that the lines y=3x+7 and 2y–6x=8 are parallel. Do not use a graphical method.

y=3x+7 2y-6x=8
2y-6x=82y=8+6xy= 4+3xy=3x+4When both equations equal y they both have a 3 in front of their x meaning that they both have a gradient of 3.

Answered by Jordan M. Maths tutor

2940 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Write x^2 + 8x + 7 in the form (x + a)^2 + b


How do I know which rule of trigonometry to apply in a question?


Solve the simultaneous equations 2x + y = 7 and 3x - y = 8


There are 10 balls in a bag. The balls are the same apart from their colour. Of the 10 balls, 3 are black, 5 white, 2 red. What is the probability of picking a white ball from the bag.


We're here to help

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

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences