Mathematics, 11.01.2021 20:50, Fredo10

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

A)The first equation should be multiplied by 3 and the second equation by 7.
B)The first equation should be multiplied by -3 and the second equation by -7.
C)The first equation should be multiplied by - 7 and the second equation by 3 .
D)The first equation should be multiplied by -7 and the second equation by -3.

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To eliminate the terms and solve for y in the fewest steps, by which constants should the equations...