Lesson: Applications on Systems of Linear Equations Mathematics • Middle School • Grade 8Mathematics
In this lesson, we will learn how to translate a real-life problem into a system of linear equations and to find its solution(s).
Sample Question Videos
Two cousins were born 8 years apart. How old will the elder be when the sum of their ages is equal to 20 years?
A man’s age is 4 times his son’s age. In five years, the sum of their ages will be 105. How old are they now?
I am thinking of two numbers. Use the clues to determine what the numbers are.
- The product of the two numbers is 48.
- The difference between the two numbers is 2.