Solve 7(k-3)=3k-5

First we need to multiply out the bracket


Then we must make sure our variable is only on one side so we need to deduct 3k from both sides


Now we should isolate our variable so add 21 to both sides of our equation


Finally dividing by 4 gives us k alone


Molly B. A Level Maths tutor, 11 Plus Maths tutor, 13 plus  Maths tut...

10 months ago

Answered by Molly, a GCSE Maths tutor with MyTutor

Still stuck? Get one-to-one help from a personally interviewed subject specialist


£18 /hr

Charley H.

Degree: Mathematics and Economics (Bachelors) - Liverpool University

Subjects offered: Maths, Economics


“About Myself: I am currently studying Mathematics and Economics at The University of Liverpool. I have always enjoyed these two subjects, especially maths, and I hope I can help in assisting you achieve your goal- whether that be pass...”

MyTutor guarantee

£18 /hr

Jed R.

Degree: Engineering Mathematics (Masters) - Bristol University

Subjects offered: Maths, Further Mathematics

Further Mathematics

“A bit about meI am s student studying engineering mathematics at Bristol University. Maths is a passion of mine and I like to see people who are enthusiastic to learn. While at college I took part in a mentoring scheme where I volu...”

£22 /hr

Sam W.

Degree: Mathematics (Bachelors) - Durham University

Subjects offered: Maths


“About me Hi! I'm Sam and I'm a second year mathematics student at Durham University.  In terms of my academic background, I achieved an A* at GCSE maths, before going on to study maths and further maths at A level and obtaining a high...”

About the author

£24 /hr

Molly B.

Degree: Mathematics (Bachelors) - Exeter University

Subjects offered: Maths, Biology


“About Me: I am a maths student at the University of Exeter and have a genuine love for my subject, which I hope my tutorials will instill in you too. I tutored Cores 3 and 4 of A level during my own exams, and helped my tutee to atta...”

You may also like...

Posts by Molly

Solve 7(k-3)=3k-5

Solve the inequality 6y+5>8?

Solve x^2 - 6x - 2=0 giving your answer in simplified surd form.

Use logarithms to solve 9^x=15

Other GCSE Maths questions

Rationalise the denominator of the following fraction: 1/(√2 + 1)

What is the simplest form of the fraction (8a^2+10ab)/(12a+15b)?

y is proportional to x^2. When y is 75, x is 5. Find a formula for y in terms of x

Solve the following simultaneous equations: 2x - y = 7 and x^2 + y^2 = 34

View GCSE Maths tutors


We use cookies to improve our service. By continuing to use this website, we'll assume that you're OK with this. Dismiss