Mathematics

Mathematics, 07.07.2019 08:30, mattandcamsbae

Solving two-step and multiply equation

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Mathematics, 02.07.2019 03:00, zakwanasim123

Select the best possible first step to solving the system by first eliminating the y variable. 4x – 5y = 4 3x + 2y = –20 a. none of the above b. multiply the first equation by 2 and multiply the second equation by 5. c. multiply the first equation by 2 and multiply the second equation by –5. d. multiply the first equation by –2 and multiply the second equation by 5.

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Mathematics, 20.08.2019 21:30, ethanw7327

Galena is solving the following system. see picture ! step 1: she multiplies equation (3) by 3 and adds it to equation (1). step 2: she multiplies equation (3) by –7 and adds it to equation (2). which statement explains galena’s mistake? a)she added equation (1) instead of equation (2) in step 1. b)she did not multiply equation (3) in step 1 by the correct value. c)she did not multiply equation (3) in step 2 by the correct value. d)she added equation (2) instead of equation (1) in step 2.

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Mathematics, 22.08.2019 12:30, shamiyac3

Select the best possible first step to solving the system by first eliminating the x variable. 3x + 5y = 1 2x + 4y = −4 multiply the first equation by 2, and multiply the second equation by 3. multiply the first equation by −2, and multiply the second equation by 3. multiply the first equation by −2, and multiply the second equation by −3. none of the above

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Mathematics, 05.10.2019 12:00, gajdmaciej9502

Select the best possible first step to solving the system by first eliminating the x variable. 4x 9y = 21 3x − 8y = 1 multiply the first equation by 3, and multiply the second equation by 4. multiply the first equation by −3, and multiply the second equation by −4. multiply the first equation by 8, and multiply the second equation by 9. none of the above

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