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

there are a few main ways to solve simultaneous equations: find an equal like term. In this case y and add or subtract the two equations together to isolate one of x or y. 

Another way of solving simultaneous equations is to find what one variable equals and then sub it to the other equation.

JM
Answered by Josh M. Maths tutor

5907 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Solve the following equation. 7x^2 = 13x +2


Work out the solutions to the following quadratic equation: x² + 7x + 10 = 0 by factorising.


John and Tom take a test. John scores p marks. Tom scores three times what John scored. Their total score is 188. What was Tom's score?


How do I know when a quadratic function crosses the y-axis?


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