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sattari [20]
3 years ago
15

X + 5y =20 2x - 7y = 9

Mathematics
1 answer:
Anettt [7]3 years ago
5 0

Answer:

Step-by-step explanation:

<em> will multiply the first equation with -2</em>

-2x-10y=-40

i will add it now to the second equation

-2x-10y=-40

 2x-7y=9

-17y=-31

y=31/17

and x=185/17

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