Mathematics, 02.12.2020 07:00 hjkrueger29
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.
Answers: 2
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