Solve algebraically: 6a + b = 16 ..... 5a - 2b = 19

first equation: 6a + b = 16     second equation: 5a - 2b = 19    from 2 times first equation + second equation 17a = 51 meaning a = 3

.... from the first equation 6(3) + b = 16 therefore b = - 2

BC
Answered by Benjamin C. Maths tutor

2761 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

In a sale, a bag goes on sale and the price is reduced by 20%. The sale price is £29.40. What is the original price of the bag.


The mean of 4 numbers is 8 when a 5th number is added the mean becomes 10, what is the 5th number?


Solve the Simultaneous equations 4x - y = 8 and x + y = 12


Solve the following simulatenous equation to find the values of both x and y: 5x+2y=16 and 3x-y=14


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