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17-11-2020
Mathematics

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solve the system using elimination.
3x+3y=27
x-3y=-11

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jeslin217 jeslin217

17-11-2020

3x+3y=27
x-3y= -11

-x-y=-9
x-3y=-11

-4y= -20
y= 5

x-3•5= -11
x=4

(x,y)= (4,5)

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