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suzieq4269susan suzieq4269susan
  • 23-02-2014
  • Mathematics
Answered

solve using the substitution and elimination method


3a-12b=9


4a-5b=3


can someone please help?

Verified Answer :

crisforp
crisforp crisforp
  • 24-02-2014

3a-12b=9 => a = 4b + 3; but, 4a-5b=3 => 4(4b + 3) -5b = 3 => 11b = -9 => b = -9/11 => a = -36/11 + 3 = -3/11;

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the3jkellys the3jkellys
  • 06-02-2020

Answer:6969

Step-by-step explanation:

Its the best answer

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