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princessajamie:
Which statement correctly explains how Mari could find the solution to the following system of linear equations using elimination? {2f-5g=-9 {-7f+3g=4 Multiply the first equation by 7 and the second equation by 2, and then add. Multiply the first equation by 3 and the second equation by 5, and then subtract. Multiply the first equation by –7 and the second equation by 2, and then add. Multiply the first equation by –3 and the second equation by -5, and then subtract.
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Vocaloid:
as a hint the correct solution will involve you eliminating the f terms the LCM of 2f and -7f is -14f, what do you need to multiply the first equation by to get -14f? what about the second equation?
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