To start the elimination method, both equations must first be written in:
AStanding order
BStarting price
CSterling notes
DStandard form
Answer & Solution
Correct answer: D. Standard form
1. Elimination lines the two equations up and adds them term by term.
2. That lining up needs the terms in the same places.
3. To solve a system by elimination, we start with both equations in standard form.
4. Then we decide which variable will be easiest to eliminate.
_Source: OpenStax Elementary Algebra 2e (CC BY 4.0), Ch 5 'Systems of Linear Equations', sections 5.1-5.3_
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