Concept explainers
Writing For the system
which variable should you eliminate first and why? How will you eliminate that variable?
To find: for the given system which variable should eliminate first and why and also process to eliminate.
Answer to Problem 10P
First eliminate variable y .
Explanation of Solution
Given information: the system of equation
to find the which variable first eliminate solve both equations,
If operation subtraction or addition direct than no term cancel,
If multiply in
Now, add first equation and second equation,
Therefore first eliminate the variable y , then substitute y in anyone equation and find value of x .
Chapter 6 Solutions
High School Math 2012 Common-core Algebra 1 Practice And Problem Solvingworkbook Grade 8/9
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