anonymous
  • anonymous
Solve, using the substitution method. y + 2x = 7 14 – 4x = 2y A. The solution is (1, 5) B. The solution is (21, 0) C. There are an infinite number of solutions. D. There is no solution.
Mathematics
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
i am thinking a or c, more leaning to c though plz help I WILL GIVE MEDAL AND FAN!
anonymous
  • anonymous
y + 2x = 7 14 – 4x = 2y Simplify: 2y = 14 - 4x y = 7 - 2x Substitute: y + 2x = 7 (7 - 2x) + 2x = 7 7 = 7 As this shows any value of x and y are irrelevant... C. There are an infinite number of solutions.
anonymous
  • anonymous
omg thank you so much! mind helping me with more? i will tag u

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anonymous
  • anonymous
sure :)

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