Give an example of a system of equations.
One example of a system of equations is:

x + y = 10
2x - y = 3

This system contains two equations and two unknowns, x and y. Solving this system involves finding the values of x and y that make both equations true at the same time.
Complete the following task based on the instruction and optional input provided.### Instruction:
Give an example of a system of equations.

### Output:
One example of a system of equations is:

x + y = 10
2x - y = 3

This system contains two equations and two unknowns, x and y. Solving this system involves finding the values of x and y that make both equations true at the same time.