Grade 8 · Year 9 · Class 8 · ages 13–14 · Algebra
Equations with x on both sides: Grade 8 practice
Solving equations such as 5x + 3 = 2x + 18. Eight questions at a time, instant feedback and a mastery score from 0 to 100.
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Right answers raise your mastery score (more on harder questions) and wrong ones lower it a little. Your best score is saved on this device, and in your account if you log in.
The idea in one minute
Take the smaller x-term away from both sides first, then solve the two-step equation that is left.
Try these on paper first
One question at each level. Tap a question to see the answer.
Easy Solve 4x + 2 = 2x + 16. x =
Answer: 7
Medium Solve 6x + 1 = 3x + 4. x =
Answer: 1
Challenge Solve 10x − 7 = 5x − 2. x =
Answer: 1
More ways to practise equations with x on both sides
- Printable equations with x on both sides worksheet with an answer key (new questions every time)
- Equation Balance: Solve equations on a balance scale by doing the same thing to both sides.
- Algebra Quest: Travel from order of operations and expressions to equations, functions and exponents.
- All Grade 8 practice · Algebra worksheets
Related skills
- Slope between two points (Grade 8)
- Laws of exponents (Grade 8)
- Linear functions, finding y (Grade 8)
- Simultaneous equations from a sum and a difference (Grade 8)
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FAQ
Equations with x on both sides: questions
What grade is equations with x on both sides?
It is usually taught in Grade 8 (Year 9 in England, Class 8 in India, ages 13–14), though schools and countries differ. Try the grade above or below if it feels too hard or too easy.
What does a equations with x on both sides question look like?
For example: "Solve 6x + 1 = 3x + 4. x =" The answer is 1. Take the smaller x-term away from both sides first, then solve the two-step equation that is left.
What should I learn before and after equations with x on both sides?
Before it, try linear functions, finding y (Grade 8). After it, move on to simultaneous equations from a sum and a difference (Grade 8).
How can I get better at equations with x on both sides?
Take the smaller x-term away from both sides first, then solve the two-step equation that is left. Practise a little every day, read the hint after each wrong answer, and use the printable worksheet when you want to write it out.
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