Question

To eliminate the terms and solve for y in the fewest steps, by which constants should the equations be multiplied by before adding the equations together?

First equation: 9x + 3y = -18

Second equation: 8x + 7y = 10

The first equation should be multiplied by 3 and the second equation by 7.
The first equation should be multiplied by -3 and the second equation by -7.
The first equation should be multiplied by - 7 and the second equation by 3 .
The first equation should be multiplied by -7 and the second equation by -3.

Answer 1

Answer:

The first equation should be multiplied by - 7 and the second equation by 3 .

Step-by-step explanation:

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