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

2943 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Expand the brackets (x-3)(x+4)


How do I find the roots and and coordinates of the vertex of the graph y = 2x^2 + 4x - 8 ?


Find dy/dx of y=x^2 + 2x+1


Factorise and solve x^2 + 3x - 4 = 0


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:

© 2025 by IXL Learning