solve the simultaneous equation: 5x+y =21 and x-3y=9

5x+y=215x-15y=45
16y = -24 y = -1.5
5x -1.5 =215x=22.5x=4.5

Answered by Caitlin M. Maths tutor

2110 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

a.) simplify and expand (x+3)(2x+5) b.) differentiate (x+3)(2x+5) c.) where does this function intercept the x and y axis? d.) does this function have any turning points? if so where?


Simplify the expression: (2a + a)x(5a - a)


Solve 2x^2 - 3x - 1 = 0, using the quadratic formula. Give your answer to two decimal places.


Solve these simultaneous equations: 2x + 5y = 37 and y = 11 - 2x


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
Cookie Preferences