To find:A system of linear equations that can be solved using elimination method.
Answer to Problem 31PPE
And its solution is
Explanation of Solution
Given information: The concept of elimination method to solve a system of linear equations is known.
Concept used:In elimination method, if the sum of coefficients of one variable in both equations is zero, then this variable`s terms are eliminated and resulted equation is solved for remaining variable. Further, this obtained value is put in any of the equation to get the value of the eliminated variable,
Calculation:Let the system of linear equations is,
Add both equations to eliminate y terms,
Plug in this value of x in second equation and solve for y as,
Conclusion: So, on solving said system of linear equations
Chapter 6 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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