Question

Select the correct answer from each drop-down menu?

Answer 1

9514 1404 393

Answer:

• second
• 3
• first
• is

Explanation:

We observe that the second equation of System B has had the x-term eliminated. That can be accomplished by adding 3 times the first equation to the second.

"To get System B, the second equation in System A was replaced by the sum of that equation and 3 times the first equation. The solution is the same as the solution to System A."