Tell me a mathematical equation with two variables.
Sure! One example of a mathematical equation with two variables is: y = 2x + 3, where x and y are the two variables.
Complete the following task based on the instruction and optional input provided.### Instruction:
Tell me a mathematical equation with two variables.

### Output:
Sure! One example of a mathematical equation with two variables is: y = 2x + 3, where x and y are the two variables.