Make r the subject of the formula x = (3r - 4)/5

Multiply both sides by 5: 5x = 3r - 4Add 4 to both sides: 5x + 4 = 3rDivide both sides by 3: (5x + 4)/3 = r

OM
Answered by Oskar M. Maths tutor

3232 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Multiply and simplify the following: (x-8)^2


Solve this pair of simultaneous equations: 3x + y= 7 and 3x - y = 5


What is the difference between a histogram and a bar chart? How can I find the frequency density?


When solving two simultaneous equations, when should you use the method of elimination and when would you use the method of substitution?


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:

© 2026 by IXL Learning