How do you solve the system using the elimination method for 2x - 4y =10 and -4x + 8y =-20?
1 Answer
Jul 6, 2015
Your system has
Explanation:
The second equation is equal to the first but multiplied by
The two equations represent two coincident lines that will have an
If you want you can multiply the first by
This means that if you choose any set of coordinates that satisfy the first equation will satisfy the second as well:
For example:
...etc.