dancergirl45
  • dancergirl45
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
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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dancergirl45
  • dancergirl45
@TrojanPoem
dancergirl45
  • dancergirl45
@jabez177
dancergirl45
  • dancergirl45
@AloneS

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dancergirl45
  • dancergirl45
@YoungStudier
dancergirl45
  • dancergirl45
Wait what
dancergirl45
  • dancergirl45
you subtracted not multiplied
dancergirl45
  • dancergirl45
But that is not what the choice is
dancergirl45
  • dancergirl45
@pooja195 please help
TrojanPoem
  • TrojanPoem
Mutilpy the first times -7
TrojanPoem
  • TrojanPoem
Multiply the first equation by −7 to get −28x − 7y = −28 Why ? Because in elimination we try to get rid of any of the variables so you mutiply times the negative of any of the variables coefficient.
dancergirl45
  • dancergirl45
Thank you so much!!
TrojanPoem
  • TrojanPoem
any time.

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