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2 answers:
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Answer:
Option C - Multiply the 1st equation by 2
Step-by-step explanation:
To find : Which step could be completed in order to prepare the system of equations below for the elimination method?
Solution :
1st equation:
2nd equation:
For elimination method,
We eliminate the y by multiplying 1st equation by 2 and add by 2nd equation.
i.e. 1st equation became
Add with 2nd equation,
Substitute in (1),
Therefore, the step could be completed in order to prepare the system of equations below for the elimination method is option C.