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vivado [14]
3 years ago
6

Help me!!! ASAP pls!!!!

Mathematics
1 answer:
solmaris [256]3 years ago
4 0

   2x+7y=4

+(-2x-8y=-2)

------------------

0x-y=2

-y=2 (this is the result of adding the two equations)

But...

y=-2

2x+7(-2)=4

x=9

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