Solve the simultaneous equations 3x + y = 4 x + y = 2

Rearrange the second equation (or first) in terms of y (or x) y = 2-xthen subsitute into the other equation 3x + (2-x) = 4The solve for x : 2x = 2 x = 1then subsitute that value for x into any equation and then solve for y: 1 + y = 2 so y = 1

EM
Answered by Eric M. Maths tutor

4013 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Simplify: 2x + 6y + 2y - x


Solve the simultaneous equations (1) x + 3y = 7 and (2) 2x + y = 4


Define a surd and find the length of one side of a 50cm^2 square shape in surd form


A metal sphere of radius 15cm is melted down and recast into a solid cylinder of radius 6cm. Calculate the height of the cylinder.


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning