20scollins
20scollins 20scollins
  • 10-05-2017
  • Mathematics
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9x-3y=63
7x-3y=45

Enter answer as an ordered pair please!

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jennibenni02
jennibenni02 jennibenni02
  • 10-05-2017
(9,6is the ordered pair
)
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Аноним Аноним
  • 10-05-2017
subtract  the equations to eliminate  y:_
2x = 18 
x = 9

Plug x=9 into equation 1
81 - 3y = 63
3y = 81-63 = 18 
y = 6

answer {9,6}
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