Write the equation in standard form: 6 – 2(x – y) = 3x + 5
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OpenStudy (thefluffmuncher):
5x – 2y = 1 why is this the answer i'm confused
OpenStudy (thefluffmuncher):
@dan815
OpenStudy (thefluffmuncher):
@Destinymasha
OpenStudy (godlovesme):
can u isolate the variable y ? @thefluffmuncher
OpenStudy (snowsurf):
You basically simplify the expression into standard form.
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OpenStudy (thefluffmuncher):
idk i just distributed to get rid of the parenthesis
OpenStudy (thefluffmuncher):
i know the formula Ax+By=c
OpenStudy (snowsurf):
6 – 2(x – y) = 3x + 5
distribute first...
6 -2x + 2y = 3x + 5
Combine like terms
-5x + 2y = -1
And they multiply by -1 to get
5x -2y = 1
OpenStudy (thefluffmuncher):
Why did you multiply the whole equation by -1?
OpenStudy (snowsurf):
They have it in standard form because if you are doing data analysis its easy to see the slop and the x and y intercepts.
As for multiplying by -1 do you have to do it? No. I could had left it as -5x + 2y = -1. I did that to match your answer you posted.
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