Key Ideas
- Linear equations
- Finding solutions to the linear equation
Solving the Question
We're given:
We can start by isolating one of the variables, like y:

Now we can find four solutions by plugging in any number for x:

First solution: (1,9)

Second solution: (2,12)

Third solution: (3,15)

Fourth solution: (4,18)
Possible Answers
First solution: (1,9)
Second solution: (2,12)
Third solution: (3,15)
Fourth solution: (4,18)