Hi Alwa!

First, let's solve for x:

4xy + 3x + 4y + 3xy = 0

Add -4y to both sides

4xy + 3x + 3xy = -4y

4xy + 3xy is 7xy so therefore we now have:

7xy + 3x = -4y

Factor out x:

x(7y +3) = -4y

Divide both sides by 7y + 3

x = -4y/7y + 3

Now, lets solve for y:

4xy + 3x + 4y + 3xy = 0

Add -3x to both sides:

7xy + 4y = -3x

Factor out y:

y(7x + 4) = -3x

Di... more

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