Mathematics, 01.08.2019 06:40 Tdhaynes7759

Oeliminate the y-terms and solve for x in the fewest steps, by which constants should the equations be multiplied? first equation: 5x − 4y = 28 second equation: 3x - 9y = 30a. the first equation should be multiplied by 3 and the second equation by 5.b. the first equation should be multiplied by 3 and the second equation by −5.c. the first equation should be multiplied by 9 and the second equation by 4.d. the first equation should be multiplied by 9 and the second equation by −4.

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