debose886736 debose886736
  • 07-03-2020
  • Mathematics
contestada

9) y = 7x - 20
3x + 8y = 17
For substitution

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Dayzsa
Dayzsa Dayzsa
  • 07-03-2020
x=3
y=1
Use substitution method starting with the first equation substitute y in the second equation
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