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

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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