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

2841 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

If A is divided by B, the result is 5/7. If B is divided by C, the result is 4/5. What is the result of A divided by C ?


Factorize x³-x


Solve the simultaneous equations 2x + 7y = 15 and 3x + 6y = 21


Solve x^(2)-x-12


We're here to help

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

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences