solve the simultaneous equations , 5a+2b=23 & 9a-2b=19, algebraically.

find sum of both equations: 14a=42, therefore a=3, substitute 'a' into an equation: (5x3)+2b=23, therefore 2b=8, therfore b=4

Answered by Rohan P. Maths tutor

3563 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Solve the equation 3x + 1 = 4x - 2


What is the gradient of the graph y = 3x^2 + 5x + 2, when x is 4?


How do I solve simultaneous equations?


How to factorise a quadratic


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 2013–2024

Terms & Conditions|Privacy Policy