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OpenStudy (anonymous):
What is a possible first step to eliminate a variable in the following system? 2x - 3y = -1 3x - 4y = -3 Multiply the first equation by -3 and the second equation by 2. Multiply the first equation by 3 and the second equation by -2. Multiply the first equation by 4 and the second equation by 3. All of the above.
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OpenStudy (anonymous):
Why not try them all out yourself?
OpenStudy (anonymous):
But if you multiply the first equation by -3, you'll get -6x, and multiply the second equation by 2, you'll get 6x, so the first one is the correct option, since they cancel each other out.
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