{x,y}Systems of equations: math practice, grade 9

Practise “Systems of 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. x + y = 8
   x − y = 2

   Answer

   (5, 3)

2. 2x + y = 22
   x − y = 2

   Answer

   (8, 6)

3. 4x + 4y = 16
   3x − 4y = 19

   Answer

   (5, −1)

4. 4x + 4y = 8
   2x − 4y = −38

   Answer

   (−5, 7)

5. 2x + 4y = −22
   −3x + y = −9

   Answer

   (1, −6)

6. 2x − 3y = 14
   −x + 3y = −10

   Answer

   (4, −2)

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