eminemthebest10 eminemthebest10

16-02-2018
Mathematics

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How many solutions does this system of equations have?

x-5y=10

3x-15y=15

Respuesta :

ileepig1p3164i ileepig1p3164i

16-02-2018

Zero because when you divide the 2nd line by 3, you get x-5y=5, so they have the same slope and lines with the same slope are parallel. It's also easier to put it in slope-intercept form (y=mx+b) so here:
y= x(1/5) -2
y= x(1/5) -1

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