Which of these strategies would eliminate a variable in the system of equations?
1 answer:
9514 1404 393
Answer:
- A Subtract the bottom equation from the top equation.
- B Add the equations.
Step-by-step explanation:
The x-terms are the same in each equation, so subtracting one equation from the other will eliminate the x-variable.
The y-terms are opposites in the two equations, so adding the two equations will eliminate the y-variable.
Both strategies (subtracting, adding) are applicable to this system of equations.
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