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11x+5y=9 11x+3y=1 It's simutanios equation substitution​
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3 votes
11x+5y=9
11x+3y=1
It's simutanios equation substitution​

User JercSi
by
4.8k points

1 Answer

4 votes

Answer:

(-1, 4)

Explanation:

11x+5y=9

11x+3y=1

subtract side-by-side

  • 5y-3y= 9-1
  • 2y=8
  • y=4
  • 11x+20=9
  • 11x= -11
  • x=-1
User Ajberry
by
5.4k points
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