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The sum of two numbers is 68. Their difference is 15. Write a system of equations you could use to solve this problem.
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The sum of two numbers is 68. Their difference is 15. Write a system of equations you could use to solve this problem.

User Danny Frencham
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1 Answer

10 votes

Answer:

x+y=68

x-y=15

Explanation:

A "sum" means that we will be using addition, while a "difference" indicates subtraction. Anytime we have two unknown numbers we generally use "x" and "y".

User Lyrk
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