3 years ago

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

Mathematics

1 answer:

Fantom [35]3 years ago

7 0

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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