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OpenStudy (anonymous):
A system of equations is shown below: x + 3y = 5 (equation 1) 7x – 8y = 6 (equation 2) A student wants to prove that if equation 2 is kept unchanged and equation 1 is replaced with the sum of equation 1 and a multiple of equation 2, the solution to the new system of equations is the same as the solution to the original system of equations. If equation 2 is multiplied by 1, which of the following steps should the student use for the proof? Answer?
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OpenStudy (anonymous):
i'm kinda stuck
OpenStudy (anonymous):
Multiply eqa 1 by 7
OpenStudy (anonymous):
i don't know how
OpenStudy (anonymous):
|dw:1421595690751:dw|
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