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Answered

from 7x-3y ,subtract 7x+3y ​

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UK2019go

Answer:

[tex] \: \: \: \: \: \: 7x - 3y \\ - \: \: \: \: \: \: \: \: \: \: \: \: \:7x + 3y \: \: \: \: \: \: \: \: \: \: [/tex]

= 0 is the answer

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Thumbslinego

Answer:

[tex]-6y[/tex]

Step-by-step explanation:

[tex]7x-3y-(7x+3y)[/tex]

[tex]=7x-3y+-1(7x+3y)[/tex]

[tex]=7x+-3y+-1(7x)+-1(3y)[/tex]

[tex]=7x+-3y+-7x+-3y[/tex]

[tex]=7x+-3y+-7x+-3y[/tex]

[tex]=(7x+-7x)+(-3y+-3y)[/tex]

[tex]=-6y[/tex]

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