anonymous
  • anonymous
Explain, in complete sentences, which method you would use to solve the following system of equations and why you chose that method. Show your work and provide the solution to the system. 5x + 3y = –7 4x – 2y = –10
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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lilg132
  • lilg132
elimination
anonymous
  • anonymous
I would use elimination method (because I always use this). Multiplying equation 1 by 4 and equation 2 by 5, then subtracting eq 2 from eq 1. thus getting22y= 22, y=1. then substituting y=1 in eq 1
lilg132
  • lilg132
multiply top equation by 2 multiply bottom by 3 cancel y variable out to solve x

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lilg132
  • lilg132
5x + 3y = –7 (multiply by 2) 4x – 2y = –10 (multiply by 3) 10x + 6y = -14 12x - 6y = -30 add together cancelling out the y variable giving you 22x = -44 22x / 22 = -44 / 22 x = -2
lilg132
  • lilg132
now use this to work out y
lilg132
  • lilg132
can you do the rest?
anonymous
  • anonymous
yes thank you so much<3

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