Solving simple equations – Grade 6
Solve simple linear equations with inverse operations, check answers and practise for free. Create a free worksheet or try an online test.
🎯 What you will learn
- ✓isolate x
- ✓choose inverse operations
- ✓check by substitution
💡 How it works
An equation is like a balance. Whatever you do to one side, do to the other.
✍️ Worked examples
Worked examples 1
3x + 5 = 20
- 1.Subtract 5 from both sides: 3x = 15
- 2.Divide both sides by 3: x = 5
✓ x = 5
Worked examples 2
4x − 7 = 13
- 1.Add 7 to both sides: 4x = 20
- 2.Divide both sides by 4: x = 5
✓ x = 5
📝 Try it yourself
1.
2x + 6 = 18
Show answer
x = 6
2.
5x − 4 = 21
Show answer
x = 5
3.
7x + 3 = 31
Show answer
x = 4
Create matching questions
Create a compact printable worksheet or start an online test.