InfoMath · free training

Train Your Math Skills

Exercises, challenges and free resources to improve your algebra skills.

Start the free challenge

Challenge Circuit #1 · free

Math Challenges

Train with four progressive equations. Retry whenever you need to.

LEVEL 1 → LEVEL 2 → LEVEL 3 → FINAL

Level 1

3(x − 2) = 12

What is x?

Free Resources

Every step, explained

Use this worked example to practise isolating x. Do the calculation yourself, then check each step.

A step-by-step example
5x − 10 = 25
5x = 25 + 10
5x = 35
x = 7
No skipped steps. No unexplained answers.

Add 10 to both sides, simplify, then divide both sides by 5.

Practise with the challenge

Further training · English paid PDF

30 linear equations, step by step

Build your method with graded examples, fractions, brackets and word problems.

Explore Linear Equations