Solving modulus equations

Sample Solving modulus equations questions

A few of the 4 questions, from easier to harder. Choose your exam board and tier to practise them, with every answer marked.

1. Question 13 marksGrade 8
   Solve $|3x - 2| = 7$. [3]
   Show the worked solution

   $|3x-2|=7$

What are the common mistakes in Solving modulus equations?

When a pupil makes one of these on Revision Workshop, the marking engine names the mistake and explains it, instead of just marking the answer wrong.

• When negating one side of an equation for a second case, negates only part of the expression instead of the whole bracketed expression.

  In the second case, the WHOLE right-hand side must be negated: $2x+1=-(x+4)$, not $2x+1=-x+4$

Quick answers about Solving modulus equations

How many Solving modulus equations practice questions are there?

There are 4 self-marking Additional Maths Maths questions on Solving modulus equations, written for Cambridge IGCSE Additional Maths (0606) across Single tier. Each one is marked instantly and has a full worked solution.

Do I need an account to practise Solving modulus equations?

No. You can start practising Solving modulus equations straight away without an account. A free account keeps your results across sessions, so you can see your progress on this topic over time.