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Sedaia [141]
3 years ago
8

Which method is used in elimination to find the solutions of x + 3y = 9 and x - 3y = 8?

Mathematics
1 answer:
weqwewe [10]3 years ago
4 0

Answer:

x=17/2  y=1/6

Step-by-step explanation:

-1(x+3y=9)

1(x-3y=8)

_________

-x-3y=-9

x-3y=8

________

-6y/6=-1/6   y=1/6

x+3(1/6)=9

x+ 1/2=9

   - 1/2  - 1/2

x=17/2

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