Which of these strategies would eliminate a variable in the system of equations?
2x — бу = 6
6x – 4y = 2

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04-06-2021
Mathematics

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Which of these strategies would eliminate a variable in the system of equations?
2x — бу = 6
6x – 4y = 2

Sagot :

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BrokeNCTzen BrokeNCTzen · Answer 1 · 2021-06-04T09:28:35-04:00

BrokeNCTzen BrokeNCTzen

04-06-2021

Answer: A and B

Explanation: I’ll use A as an example. When you multiply the bottom equation by -3/2, the equation becomes: -9x+6y=-3. Then, proceed to add the equations. Look at X and Y in both equations: do the Y variables in both equations equal to 0 when added together? Yes, because -6y+6y=0! Therefore, you can eliminate y in these two equations.

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