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Solve the system of equations by the substitution method

Solve the system of equations by the substitution method-example-1
User Aartist
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Answer:

  1. 2x+4y=8 => y= -1/2x+2
  2. x+(10(-1/2x+2))=36
  • -5x+x+20=36
  • -4x=16
  • x=-4
  • x=-4 y= 0
  • I do exams and quizzes if your interested
User Genehack
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