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Mathematics 20 Online
OpenStudy (anonymous):

Select the choice below that could be the first step in solving the following system of equations using elimination: -10x + 7y = 9 8y − x − 4 = 0 A. Multiply the first equation by -7. B. Write the second equation in terms of x. C. Replace the right side of the first equation with the second equation. D. Multiply the second equation by -10.

OpenStudy (anonymous):

d

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