anonymous
  • anonymous
Is it C? (Check my work) Given the system of equations presented here: 4x + y = 4 2x + 7y = 28 Which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? Multiply the second equation by −1 to get −2x − 7y = −28 Multiply the second equation by −4 to get −8x − 28y = −112 Multiply the first equation by −7 to get −28x − 7y = −28 Multiply the first equation by −2 to get −8x − 2y = −8
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
DanJS
  • DanJS
yes right, then the y drops out when you add them

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