Rearrange the equation y=3x+2 to make x the subject.

The most important thing to remember about rearranging equations is that what you do to one side, you have to do to the other side as well to balance it. In the question above, to get rid of the 2 on the right hand side of the equation we must subtract 2. This then means we must also subtract 2 from the left side of the equation. This would give us:

y - 2 = 3x + 2 - 2

Which can then be simplified to:  

y - 2 = 3x

Then we divide the RHS of the equation by 3 to leave just x, and then divide by 3 on the LHS to balance. 

This would give us our answer of:

(y-2)/3 = x

Matthew N. A Level Maths tutor, GCSE Maths tutor, A Level Chemistry t...

1 year ago

Answered by Matthew, a GCSE Maths tutor with MyTutor

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


£18 /hr

Guido B.

Degree: Aeronautical Engineering (Masters) - Imperial College London University

Subjects offered:Maths, Science+ 3 more

Further Mathematics

“Expert tuition from an expert. A second year Uni student who's completed the hassle of GCSEs and A Levels, and can teach you the easy way to pass and succeed!”

MyTutor guarantee

|  1 completed tutorial

Roma V. A Level Maths tutor, 13 Plus  Maths tutor, GCSE Maths tutor, ...
£24 /hr

Roma V.

Degree: Mathematics, Operational Research, Statistics and Economics (Bachelors) - Warwick University

Subjects offered:Maths, Further Mathematics + 1 more

Further Mathematics

“Top tutor from the renowned Russell university group, ready to help you improve your grades.”

£24 /hr

Victoria S.

Degree: Physiology (Bachelors) - Liverpool University

Subjects offered:Maths, Biology


“Here to help with last minute revision prep! I'm Tory, in my final year studying Physiology at Uni of Liverpool and am a 5* rated tutor here to suit your needs.”

About the author

Matthew N.

Currently unavailable: for new students

Degree: Chemistry (4 Years) [MChem] (Masters) - Manchester University

Subjects offered:Maths, Chemistry


“About Me:I'm a third year student at the University of Manchester studying for my masters degree in Chemistry. The main purpose of my tutorials, aside from allowing you to pass your exams with a great mark, is to get you interested i...”

MyTutor guarantee

You may also like...

Posts by Matthew

Explain how the electron pair repulsion theory can be used to deduce the shape of, and the bond angle in, NH3.

Explain, in terms of sub-atomic particles, why the mass number of a magnesium atom is 24.

Find the derivative of the following expression: y=x^3+2x^2+6x+5.

Rearrange the equation y=3x+2 to make x the subject.

Other GCSE Maths questions

I decrease a number by 26%, the answer is 9 x10^-7, what was the original number?

How do I factorise x^2 ​- 4?

How to solve the simultaneous equations 3x+2y=7 and 5x+y=14

If f(x) = 4x - 7 and f(c) = 9, find the value of c.

View GCSE Maths tutors

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