Zeek is really impressed by all your math knowledge and he has a riddle he thinks can stump you! He says, “Find the value of two numbers if their sum is 12 and their difference is 4.” You say easy peasy! Because you learned how to solve systems of equations with 2 variables, one of the numbers can be x and the other number can be y. Create two equations with this information with one unknown as x and the other unknown number is y. You will really impress Zeek because you can solve by graphing Solve by Substitution Answer his riddle in a complete sentence.