What should be done to these equations in order to solve a system of equations by elimination? -3x+2y=16 2x+5y=21

Question

What should be done to these equations in order to solve a system of equations by elimination?
-3x+2y=16
2x+5y=21

A. Nothing needs to be done, since they both equal have 2’s and 3’s for coefficients.
B. Multiply the first equation by 3 and the second equations by 2.
C. Multiply the first equation by 2 and the second equation by 3.
D. Multiply the first equation by 3.

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Maris 3 years 2021-07-23T09:24:09+00:00 1 Answers 21 views 0

Answers ( )

  1. thanhcong
    0
    2021-07-23T09:25:49+00:00
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    Answer:A

    Step-by-step explanation:

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