2xLinear equations: math practice, grades 7–8

Practise “Linear equations” online for free. Five right answers in a row make the tasks harder, two mistakes in a row make them easier. Right answers earn coins for games.

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Example problems

These are only examples: the practice makes new tasks every time.

1. Solve the equation.

   2x + 14 = 28
   x = ?

   Answer

   7

2. Solve the equation.

   4x = 2x + 6
   x = ?

   Answer

   3

3. Solve the equation.

   3(x + 4) = 2x + 19
   x = ?

   Answer

   7

4. Solve the equation.

   5(x + 2) = 4x + 18
   x = ?

   Answer

   8

5. Solve the equation.

   −6x − 10 = −22
   x = ?

   Answer

   2

6. Solve the equation.

   x/3 + 9 = 16
   x = ?

   Answer

   21

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