Solve the following simultaneous equations: 2x + y = 17, x - y = 4

2x + y = 17 x-y = 4 ---> x = 4 + y2(4+y) + y = 17 ------> 8 + 2y + y = 17 -----> 8 + 3y = 17 --------> 3y = 9 -----> y=3 x = 4+y ------> x = 7

Answered by Gavra N. Maths tutor

4832 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Solve the simultaneous equations: x^2 + y^2 = 9 and x + y = 2


How do you solve a quadratic equation? eg: x^2 + 2x - 8


3kg of meat costs £54, Nina buys 2 kg of the meat. Work out how much Nina pays. (non-calculator)


Find the value of x in the equation x^2 - 2x + 1 = 0


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