Write the equations: The difference of two numbers is 3 and their sum is 13. What are the two numbers?
Let ___ = _____________
Let ___=______________
Let x = the first number
Let y = the second number
According to the given information, we have two equations:
1) The difference of two numbers is 3: x - y = 3
2) Their sum is 13: x + y = 13