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14-07-2021
Mathematics

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Can you please solve these equations by elimination? -10x -10y=20 , -7x -7y=14.

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14-07-2021

Answer:

-10x -10y=20

-10x - 20=10y

-10x - 20/10=y

-10x - 2=y

y=-10x-2

-7x -7y=14

-7x - 14 = 7y

-7x - 14/7=y

-7x - 2=y

y=-7x-2

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