Solve the simultaneous equations 3x+5y=7, 2x-3y=11

Multiply the first equation by 2, and the second by 3:

6x+10y=14

6x-9y=33

Subtract the second from the first:

19y=-19

solve for y:

y=-1

plug in to first equation and solve for x:

6x+10*(-1)=14

6x=24

x=4

JB
Answered by Jamie B. Maths tutor

8433 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Work out the value of (√3 )² x (√2 )²


Aled has three concrete slabs. Two of the slabs are square, with each side of length x metres. The third slab is rectangular and measures 1 metre by (x +1) metres. The three concrete slabs cover an area of 7m^2. Show that 2x^2 + x – 6 = 0. Find x.


Find the nth term in the series: 3, 7, 11, 15, 19


Solve 10x - 7 = 4x + 5


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