Solve: 4x + 5 = 6x - 13

4x+5=6x-13. Take 4x from both sides 5= 6x-4x-13 5=2x-13. On the right hand side, you have -13 value. Add 13, to make 0. Adding thirteen on right also adds thirteen on left. 5 + 13 = 2x - 13 + 13 18=2x. 2 times 'x' is 18. You might automatically know that 2 times 9 is 18, but it is good practice to use algebra here, as you will not always get a full number and may end up with fractions. If you divide by 2 on both sides, you get 2x/2 = 18/2 x=9. Always show your working, so the examiner knows what you are trying to do and can give you marks for at least showing your algebra skills.

Answered by Yacine H. Maths tutor

7148 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Solve the following simultaneous equations to obtain values for x and y: 2x + y = 7 & 3x - y = 8.


Find a quarter of the area of a circle with a diameter of 10cm.


Use approximations to 1 significant figure to estimate the value of 0.101 x (51.2)^2 / (3.96)^1/2


Find x. x^2 + 6x + 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