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11-02-2017
Mathematics

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in form ax+by+c=0
y=-3x/4 + 1
when you get it in the form do you have to change the signs ?? if yes why?

Respuesta :

11-02-2017

I don't get you but if you transform the equation to it's standard form, it will be
3x+4y=4
First, Multiply each term by 4:
y(4)=-3x/4(4)+1(4)
4y=-12x/4+4
4y=-3x+4
Now add 3x to both sides of the equation:
4y+3x=-3x+3x+4
3x+4y=0+4
3x+4y=4

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