Solve 7(k – 3) = 3k – 5

Step 1: 7k-21=3k-5

Step 2: 4k=16

Step 3: k=4

JY
Answered by Jin Yang Q. Maths tutor

7196 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

White paint costs £2.80 per litre. Blue paint costs £3.50 per litre. White paint and blue paint are mixed in the ratio 3 : 2 Work out the cost of 18 litres of the mixture.


When do I use a cosine rule over a sine rule?


Solve simultaneously, x+y=2 and 4y^2-x^2=11


How do you factorise a quadratic equation where the coefficient of x^2 isn't 1?


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